20177180511

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 30628753920

約数和(自身を除く): 10451573409

約数列:

[1, 3, 19, 37, 47, 57, 61, 71, 111, 141, 183, 213, 703, 893, 1159, 1349, 1739, 2109, 2209, 2257, 2627, 2679, 2867, 3337, 3477, 4047, 4331, 5217, 6627, 6771, 7881, 8601, 10011, 12993, 33041, 41971, 42883, 49913, 54473, 63403, 81733, 82289, 99123, 106079, 123469, 125913, 128649, 134749, 149739, 156839, 160247, 163419, 190209, 203557, 245199, 246867, 318237, 370407, 404247, 470517, 480741, 610671, 1552927, 2015501, 2345911, 2560231, 2979941, 3044693, 3867583, 4658781, 4985713, 5803043, 6046503, 7037733, 7531609, 7680693, 8939823, 9134079, 9567179, 11602749, 14957139, 17409129, 22594827, 28701537, 94728547, 110257817, 143100571, 181776401, 284185641, 330773451, 353985623, 429301713, 545329203, 1061956869, 6725726837, 20177180511]

約数ペア:

[(1, 20177180511), (3, 6725726837), (19, 1061956869), (37, 545329203), (47, 429301713), (57, 353985623), (61, 330773451), (71, 284185641), (111, 181776401), (141, 143100571), (183, 110257817), (213, 94728547), (703, 28701537), (893, 22594827), (1159, 17409129), (1349, 14957139), (1739, 11602749), (2109, 9567179), (2209, 9134079), (2257, 8939823), (2627, 7680693), (2679, 7531609), (2867, 7037733), (3337, 6046503), (3477, 5803043), (4047, 4985713), (4331, 4658781), (5217, 3867583), (6627, 3044693), (6771, 2979941), (7881, 2560231), (8601, 2345911), (10011, 2015501), (12993, 1552927), (33041, 610671), (41971, 480741), (42883, 470517), (49913, 404247), (54473, 370407), (63403, 318237), (81733, 246867), (82289, 245199), (99123, 203557), (106079, 190209), (123469, 163419), (125913, 160247), (128649, 156839), (134749, 149739)]