20105013180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{3457}}^1$

素因数の和:3764

約数の個数: 192

約数和(自身を含む): 65697795072

約数和(自身を除く): 45592781892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 227, 244, 305, 366, 420, 427, 454, 610, 681, 732, 854, 908, 915, 1135, 1220, 1281, 1362, 1589, 1708, 1830, 2135, 2270, 2562, 2724, 3178, 3405, 3457, 3660, 4270, 4540, 4767, 5124, 6356, 6405, 6810, 6914, 7945, 8540, 9534, 10371, 12810, 13620, 13828, 13847, 15890, 17285, 19068, 20742, 23835, 24199, 25620, 27694, 31780, 34570, 41484, 41541, 47670, 48398, 51855, 55388, 69140, 69235, 72597, 83082, 95340, 96796, 96929, 103710, 120995, 138470, 145194, 166164, 193858, 207420, 207705, 210877, 241990, 276940, 290388, 290787, 362985, 387716, 415410, 421754, 483980, 484645, 581574, 632631, 725970, 784739, 830820, 843508, 969290, 1054385, 1163148, 1265262, 1451940, 1453935, 1476139, 1569478, 1938580, 2108770, 2354217, 2530524, 2907870, 2952278, 3138956, 3163155, 3923695, 4217540, 4428417, 4708434, 5493173, 5815740, 5904556, 6326310, 7380695, 7847390, 8856834, 9416868, 10986346, 11771085, 12652620, 14761390, 15694780, 16479519, 17713668, 21972692, 22142085, 23542170, 27465865, 29522780, 32959038, 44284170, 47084340, 47869079, 54931730, 65918076, 82397595, 88568340, 95738158, 109863460, 143607237, 164795190, 191476316, 239345395, 287214474, 329590380, 335083553, 478690790, 574428948, 670167106, 718036185, 957381580, 1005250659, 1340334212, 1436072370, 1675417765, 2010501318, 2872144740, 3350835530, 4021002636, 5026253295, 6701671060, 10052506590, 20105013180]

約数ペア:

[(1, 20105013180), (2, 10052506590), (3, 6701671060), (4, 5026253295), (5, 4021002636), (6, 3350835530), (7, 2872144740), (10, 2010501318), (12, 1675417765), (14, 1436072370), (15, 1340334212), (20, 1005250659), (21, 957381580), (28, 718036185), (30, 670167106), (35, 574428948), (42, 478690790), (60, 335083553), (61, 329590380), (70, 287214474), (84, 239345395), (105, 191476316), (122, 164795190), (140, 143607237), (183, 109863460), (210, 95738158), (227, 88568340), (244, 82397595), (305, 65918076), (366, 54931730), (420, 47869079), (427, 47084340), (454, 44284170), (610, 32959038), (681, 29522780), (732, 27465865), (854, 23542170), (908, 22142085), (915, 21972692), (1135, 17713668), (1220, 16479519), (1281, 15694780), (1362, 14761390), (1589, 12652620), (1708, 11771085), (1830, 10986346), (2135, 9416868), (2270, 8856834), (2562, 7847390), (2724, 7380695), (3178, 6326310), (3405, 5904556), (3457, 5815740), (3660, 5493173), (4270, 4708434), (4540, 4428417), (4767, 4217540), (5124, 3923695), (6356, 3163155), (6405, 3138956), (6810, 2952278), (6914, 2907870), (7945, 2530524), (8540, 2354217), (9534, 2108770), (10371, 1938580), (12810, 1569478), (13620, 1476139), (13828, 1453935), (13847, 1451940), (15890, 1265262), (17285, 1163148), (19068, 1054385), (20742, 969290), (23835, 843508), (24199, 830820), (25620, 784739), (27694, 725970), (31780, 632631), (34570, 581574), (41484, 484645), (41541, 483980), (47670, 421754), (48398, 415410), (51855, 387716), (55388, 362985), (69140, 290787), (69235, 290388), (72597, 276940), (83082, 241990), (95340, 210877), (96796, 207705), (96929, 207420), (103710, 193858), (120995, 166164), (138470, 145194)]