20199492740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:842

約数の個数: 192

約数和(自身を含む): 51303383040

約数和(自身を除く): 31103890300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 103, 124, 140, 146, 155, 206, 217, 292, 310, 365, 412, 434, 511, 515, 619, 620, 721, 730, 868, 1022, 1030, 1085, 1238, 1442, 1460, 2044, 2060, 2170, 2263, 2476, 2555, 2884, 3095, 3193, 3605, 4333, 4340, 4526, 5110, 6190, 6386, 7210, 7519, 8666, 9052, 10220, 11315, 12380, 12772, 14420, 15038, 15841, 15965, 17332, 19189, 21665, 22351, 22630, 30076, 31682, 31930, 37595, 38378, 43330, 44702, 45187, 45260, 52633, 63364, 63757, 63860, 75190, 76756, 79205, 86660, 89404, 90374, 95945, 105266, 111755, 127514, 134323, 150380, 158410, 180748, 191890, 210532, 223510, 225935, 233089, 255028, 263165, 268646, 316309, 316820, 318785, 383780, 446299, 447020, 451870, 466178, 526330, 537292, 632618, 637570, 671615, 892598, 903740, 932356, 1052660, 1165445, 1265236, 1275140, 1343230, 1400797, 1581545, 1631623, 1785196, 1976467, 2231495, 2330890, 2686460, 2801594, 3163090, 3263246, 3952934, 4462990, 4654261, 4661780, 5603188, 6326180, 6526492, 7003985, 7905868, 8158115, 8925980, 9308522, 9805579, 9882335, 13835269, 14007970, 16316230, 18617044, 19611158, 19764670, 23271305, 27670538, 28015940, 32579827, 32632460, 39222316, 39529340, 46542610, 49027895, 55341076, 65159654, 69176345, 93085220, 98055790, 130319308, 138352690, 144282091, 162899135, 196111580, 276705380, 288564182, 325798270, 577128364, 651596540, 721410455, 1009974637, 1442820910, 2019949274, 2885641820, 4039898548, 5049873185, 10099746370, 20199492740]

約数ペア:

[(1, 20199492740), (2, 10099746370), (4, 5049873185), (5, 4039898548), (7, 2885641820), (10, 2019949274), (14, 1442820910), (20, 1009974637), (28, 721410455), (31, 651596540), (35, 577128364), (62, 325798270), (70, 288564182), (73, 276705380), (103, 196111580), (124, 162899135), (140, 144282091), (146, 138352690), (155, 130319308), (206, 98055790), (217, 93085220), (292, 69176345), (310, 65159654), (365, 55341076), (412, 49027895), (434, 46542610), (511, 39529340), (515, 39222316), (619, 32632460), (620, 32579827), (721, 28015940), (730, 27670538), (868, 23271305), (1022, 19764670), (1030, 19611158), (1085, 18617044), (1238, 16316230), (1442, 14007970), (1460, 13835269), (2044, 9882335), (2060, 9805579), (2170, 9308522), (2263, 8925980), (2476, 8158115), (2555, 7905868), (2884, 7003985), (3095, 6526492), (3193, 6326180), (3605, 5603188), (4333, 4661780), (4340, 4654261), (4526, 4462990), (5110, 3952934), (6190, 3263246), (6386, 3163090), (7210, 2801594), (7519, 2686460), (8666, 2330890), (9052, 2231495), (10220, 1976467), (11315, 1785196), (12380, 1631623), (12772, 1581545), (14420, 1400797), (15038, 1343230), (15841, 1275140), (15965, 1265236), (17332, 1165445), (19189, 1052660), (21665, 932356), (22351, 903740), (22630, 892598), (30076, 671615), (31682, 637570), (31930, 632618), (37595, 537292), (38378, 526330), (43330, 466178), (44702, 451870), (45187, 447020), (45260, 446299), (52633, 383780), (63364, 318785), (63757, 316820), (63860, 316309), (75190, 268646), (76756, 263165), (79205, 255028), (86660, 233089), (89404, 225935), (90374, 223510), (95945, 210532), (105266, 191890), (111755, 180748), (127514, 158410), (134323, 150380)]