20322840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 61401600

約数和(自身を除く): 41078760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1039, 1304, 1630, 1956, 2078, 2445, 3117, 3260, 3912, 4156, 4890, 5195, 6234, 6520, 8312, 9780, 10390, 12468, 15585, 19560, 20780, 24936, 31170, 41560, 62340, 124680, 169357, 338714, 508071, 677428, 846785, 1016142, 1354856, 1693570, 2032284, 2540355, 3387140, 4064568, 5080710, 6774280, 10161420, 20322840]

約数ペア:

[(1, 20322840), (2, 10161420), (3, 6774280), (4, 5080710), (5, 4064568), (6, 3387140), (8, 2540355), (10, 2032284), (12, 1693570), (15, 1354856), (20, 1016142), (24, 846785), (30, 677428), (40, 508071), (60, 338714), (120, 169357), (163, 124680), (326, 62340), (489, 41560), (652, 31170), (815, 24936), (978, 20780), (1039, 19560), (1304, 15585), (1630, 12468), (1956, 10390), (2078, 9780), (2445, 8312), (3117, 6520), (3260, 6234), (3912, 5195), (4156, 4890)]