20124807540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251623}}^1$

素因数の和:251709

約数の個数: 96

約数和(自身を含む): 59520147456

約数和(自身を除く): 39395339916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 1290, 1333, 1860, 2580, 2666, 3999, 5332, 6665, 7998, 13330, 15996, 19995, 26660, 39990, 79980, 251623, 503246, 754869, 1006492, 1258115, 1509738, 2516230, 3019476, 3774345, 5032460, 7548690, 7800313, 10819789, 15097380, 15600626, 21639578, 23400939, 31201252, 32459367, 39001565, 43279156, 46801878, 54098945, 64918734, 78003130, 93603756, 108197890, 117004695, 129837468, 156006260, 162296835, 216395780, 234009390, 324593670, 335413459, 468018780, 649187340, 670826918, 1006240377, 1341653836, 1677067295, 2012480754, 3354134590, 4024961508, 5031201885, 6708269180, 10062403770, 20124807540]

約数ペア:

[(1, 20124807540), (2, 10062403770), (3, 6708269180), (4, 5031201885), (5, 4024961508), (6, 3354134590), (10, 2012480754), (12, 1677067295), (15, 1341653836), (20, 1006240377), (30, 670826918), (31, 649187340), (43, 468018780), (60, 335413459), (62, 324593670), (86, 234009390), (93, 216395780), (124, 162296835), (129, 156006260), (155, 129837468), (172, 117004695), (186, 108197890), (215, 93603756), (258, 78003130), (310, 64918734), (372, 54098945), (430, 46801878), (465, 43279156), (516, 39001565), (620, 32459367), (645, 31201252), (860, 23400939), (930, 21639578), (1290, 15600626), (1333, 15097380), (1860, 10819789), (2580, 7800313), (2666, 7548690), (3999, 5032460), (5332, 3774345), (6665, 3019476), (7998, 2516230), (13330, 1509738), (15996, 1258115), (19995, 1006492), (26660, 754869), (39990, 503246), (79980, 251623)]