20171945820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{107309}}^1$

素因数の和:107575

約数の個数: 96

約数和(自身を含む): 61079135040

約数和(自身を除く): 40907189220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 241, 260, 390, 482, 723, 780, 964, 1205, 1446, 2410, 2892, 3133, 3615, 4820, 6266, 7230, 9399, 12532, 14460, 15665, 18798, 31330, 37596, 46995, 62660, 93990, 107309, 187980, 214618, 321927, 429236, 536545, 643854, 1073090, 1287708, 1395017, 1609635, 2146180, 2790034, 3219270, 4185051, 5580068, 6438540, 6975085, 8370102, 13950170, 16740204, 20925255, 25861469, 27900340, 41850510, 51722938, 77584407, 83701020, 103445876, 129307345, 155168814, 258614690, 310337628, 336199097, 387922035, 517229380, 672398194, 775844070, 1008597291, 1344796388, 1551688140, 1680995485, 2017194582, 3361990970, 4034389164, 5042986455, 6723981940, 10085972910, 20171945820]

約数ペア:

[(1, 20171945820), (2, 10085972910), (3, 6723981940), (4, 5042986455), (5, 4034389164), (6, 3361990970), (10, 2017194582), (12, 1680995485), (13, 1551688140), (15, 1344796388), (20, 1008597291), (26, 775844070), (30, 672398194), (39, 517229380), (52, 387922035), (60, 336199097), (65, 310337628), (78, 258614690), (130, 155168814), (156, 129307345), (195, 103445876), (241, 83701020), (260, 77584407), (390, 51722938), (482, 41850510), (723, 27900340), (780, 25861469), (964, 20925255), (1205, 16740204), (1446, 13950170), (2410, 8370102), (2892, 6975085), (3133, 6438540), (3615, 5580068), (4820, 4185051), (6266, 3219270), (7230, 2790034), (9399, 2146180), (12532, 1609635), (14460, 1395017), (15665, 1287708), (18798, 1073090), (31330, 643854), (37596, 536545), (46995, 429236), (62660, 321927), (93990, 214618), (107309, 187980)]