20291206300

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{419}}^1\times {\mathrm{1787}}^1$

素因数の和:2491

約数の個数: 72

約数和(自身を含む): 44324663040

約数和(自身を除く): 24033456740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 419, 542, 838, 1084, 1355, 1676, 1787, 2095, 2710, 3574, 4190, 5420, 6775, 7148, 8380, 8935, 10475, 13550, 17870, 20950, 27100, 35740, 41900, 44675, 89350, 113549, 178700, 227098, 454196, 484277, 567745, 748753, 968554, 1135490, 1497506, 1937108, 2270980, 2421385, 2838725, 2995012, 3743765, 4842770, 5677450, 7487530, 9685540, 11354900, 12106925, 14975060, 18718825, 24213850, 37437650, 48427700, 74875300, 202912063, 405824126, 811648252, 1014560315, 2029120630, 4058241260, 5072801575, 10145603150, 20291206300]

約数ペア:

[(1, 20291206300), (2, 10145603150), (4, 5072801575), (5, 4058241260), (10, 2029120630), (20, 1014560315), (25, 811648252), (50, 405824126), (100, 202912063), (271, 74875300), (419, 48427700), (542, 37437650), (838, 24213850), (1084, 18718825), (1355, 14975060), (1676, 12106925), (1787, 11354900), (2095, 9685540), (2710, 7487530), (3574, 5677450), (4190, 4842770), (5420, 3743765), (6775, 2995012), (7148, 2838725), (8380, 2421385), (8935, 2270980), (10475, 1937108), (13550, 1497506), (17870, 1135490), (20950, 968554), (27100, 748753), (35740, 567745), (41900, 484277), (44675, 454196), (89350, 227098), (113549, 178700)]