20453550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 57933792

約数和(自身を除く): 37480242

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 130, 150, 170, 195, 221, 255, 325, 390, 425, 442, 510, 617, 650, 663, 850, 975, 1105, 1234, 1275, 1326, 1851, 1950, 2210, 2550, 3085, 3315, 3702, 5525, 6170, 6630, 8021, 9255, 10489, 11050, 15425, 16042, 16575, 18510, 20978, 24063, 30850, 31467, 33150, 40105, 46275, 48126, 52445, 62934, 80210, 92550, 104890, 120315, 136357, 157335, 200525, 240630, 262225, 272714, 314670, 401050, 409071, 524450, 601575, 681785, 786675, 818142, 1203150, 1363570, 1573350, 2045355, 3408925, 4090710, 6817850, 10226775, 20453550]

約数ペア:

[(1, 20453550), (2, 10226775), (3, 6817850), (5, 4090710), (6, 3408925), (10, 2045355), (13, 1573350), (15, 1363570), (17, 1203150), (25, 818142), (26, 786675), (30, 681785), (34, 601575), (39, 524450), (50, 409071), (51, 401050), (65, 314670), (75, 272714), (78, 262225), (85, 240630), (102, 200525), (130, 157335), (150, 136357), (170, 120315), (195, 104890), (221, 92550), (255, 80210), (325, 62934), (390, 52445), (425, 48126), (442, 46275), (510, 40105), (617, 33150), (650, 31467), (663, 30850), (850, 24063), (975, 20978), (1105, 18510), (1234, 16575), (1275, 16042), (1326, 15425), (1851, 11050), (1950, 10489), (2210, 9255), (2550, 8021), (3085, 6630), (3315, 6170), (3702, 5525)]