20120578275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{891277}}^1$

素因数の和:891340

約数の個数: 48

約数和(自身を含む): 38902502144

約数和(自身を除く): 18781923869

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 4515, 7525, 22575, 891277, 2673831, 4456385, 6238939, 13369155, 18716817, 22281925, 31194695, 38324911, 66845775, 93584085, 114974733, 155973475, 191624555, 268274377, 467920425, 574873665, 804823131, 958122775, 1341371885, 2874368325, 4024115655, 6706859425, 20120578275]

約数ペア:

[(1, 20120578275), (3, 6706859425), (5, 4024115655), (7, 2874368325), (15, 1341371885), (21, 958122775), (25, 804823131), (35, 574873665), (43, 467920425), (75, 268274377), (105, 191624555), (129, 155973475), (175, 114974733), (215, 93584085), (301, 66845775), (525, 38324911), (645, 31194695), (903, 22281925), (1075, 18716817), (1505, 13369155), (3225, 6238939), (4515, 4456385), (7525, 2673831), (22575, 891277)]