20464600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 54371520

約数和(自身を除く): 33906920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 130, 136, 170, 200, 221, 260, 325, 340, 425, 442, 463, 520, 650, 680, 850, 884, 926, 1105, 1300, 1700, 1768, 1852, 2210, 2315, 2600, 3400, 3704, 4420, 4630, 5525, 6019, 7871, 8840, 9260, 11050, 11575, 12038, 15742, 18520, 22100, 23150, 24076, 30095, 31484, 39355, 44200, 46300, 48152, 60190, 62968, 78710, 92600, 102323, 120380, 150475, 157420, 196775, 204646, 240760, 300950, 314840, 393550, 409292, 511615, 601900, 787100, 818584, 1023230, 1203800, 1574200, 2046460, 2558075, 4092920, 5116150, 10232300, 20464600]

約数ペア:

[(1, 20464600), (2, 10232300), (4, 5116150), (5, 4092920), (8, 2558075), (10, 2046460), (13, 1574200), (17, 1203800), (20, 1023230), (25, 818584), (26, 787100), (34, 601900), (40, 511615), (50, 409292), (52, 393550), (65, 314840), (68, 300950), (85, 240760), (100, 204646), (104, 196775), (130, 157420), (136, 150475), (170, 120380), (200, 102323), (221, 92600), (260, 78710), (325, 62968), (340, 60190), (425, 48152), (442, 46300), (463, 44200), (520, 39355), (650, 31484), (680, 30095), (850, 24076), (884, 23150), (926, 22100), (1105, 18520), (1300, 15742), (1700, 12038), (1768, 11575), (1852, 11050), (2210, 9260), (2315, 8840), (2600, 7871), (3400, 6019), (3704, 5525), (4420, 4630)]