20143726840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{160841}}^1$

素因数の和:160984

約数の個数: 64

約数和(自身を含む): 47248945920

約数和(自身を除く): 27105219080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 808, 1010, 1240, 2020, 3131, 4040, 6262, 12524, 15655, 25048, 31310, 62620, 125240, 160841, 321682, 643364, 804205, 1286728, 1608410, 3216820, 4986071, 6433640, 9972142, 16244941, 19944284, 24930355, 32489882, 39888568, 49860710, 64979764, 81224705, 99721420, 129959528, 162449410, 199442840, 324898820, 503593171, 649797640, 1007186342, 2014372684, 2517965855, 4028745368, 5035931710, 10071863420, 20143726840]

約数ペア:

[(1, 20143726840), (2, 10071863420), (4, 5035931710), (5, 4028745368), (8, 2517965855), (10, 2014372684), (20, 1007186342), (31, 649797640), (40, 503593171), (62, 324898820), (101, 199442840), (124, 162449410), (155, 129959528), (202, 99721420), (248, 81224705), (310, 64979764), (404, 49860710), (505, 39888568), (620, 32489882), (808, 24930355), (1010, 19944284), (1240, 16244941), (2020, 9972142), (3131, 6433640), (4040, 4986071), (6262, 3216820), (12524, 1608410), (15655, 1286728), (25048, 804205), (31310, 643364), (62620, 321682), (125240, 160841)]