20473830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 62092800

約数和(自身を除く): 41618970

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 307, 342, 351, 390, 494, 513, 570, 585, 614, 702, 741, 855, 921, 1026, 1170, 1235, 1482, 1535, 1710, 1755, 1842, 2223, 2470, 2565, 2763, 3070, 3510, 3705, 3991, 4446, 4605, 5130, 5526, 5833, 6669, 7410, 7982, 8289, 9210, 11115, 11666, 11973, 13338, 13815, 16578, 17499, 19955, 22230, 23946, 27630, 29165, 33345, 34998, 35919, 39910, 41445, 52497, 58330, 59865, 66690, 71838, 75829, 82890, 87495, 104994, 107757, 119730, 151658, 157491, 174990, 179595, 215514, 227487, 262485, 314982, 359190, 379145, 454974, 524970, 538785, 682461, 758290, 787455, 1077570, 1137435, 1364922, 1574910, 2047383, 2274870, 3412305, 4094766, 6824610, 10236915, 20473830]

約数ペア:

[(1, 20473830), (2, 10236915), (3, 6824610), (5, 4094766), (6, 3412305), (9, 2274870), (10, 2047383), (13, 1574910), (15, 1364922), (18, 1137435), (19, 1077570), (26, 787455), (27, 758290), (30, 682461), (38, 538785), (39, 524970), (45, 454974), (54, 379145), (57, 359190), (65, 314982), (78, 262485), (90, 227487), (95, 215514), (114, 179595), (117, 174990), (130, 157491), (135, 151658), (171, 119730), (190, 107757), (195, 104994), (234, 87495), (247, 82890), (270, 75829), (285, 71838), (307, 66690), (342, 59865), (351, 58330), (390, 52497), (494, 41445), (513, 39910), (570, 35919), (585, 34998), (614, 33345), (702, 29165), (741, 27630), (855, 23946), (921, 22230), (1026, 19955), (1170, 17499), (1235, 16578), (1482, 13815), (1535, 13338), (1710, 11973), (1755, 11666), (1842, 11115), (2223, 9210), (2470, 8289), (2565, 7982), (2763, 7410), (3070, 6669), (3510, 5833), (3705, 5526), (3991, 5130), (4446, 4605)]