20128308984

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5705303}}^1$

素因数の和:5705329

約数の個数: 72

約数和(自身を含む): 63414453960

約数和(自身を除く): 43286144976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5705303, 11410606, 17115909, 22821212, 34231818, 39937121, 45642424, 51347727, 68463636, 79874242, 102695454, 119811363, 136927272, 159748484, 205390908, 239622726, 279559847, 319496968, 359434089, 410781816, 479245452, 559119694, 718868178, 838679541, 958490904, 1118239388, 1437736356, 1677359082, 2236478776, 2516038623, 2875472712, 3354718164, 5032077246, 6709436328, 10064154492, 20128308984]

約数ペア:

[(1, 20128308984), (2, 10064154492), (3, 6709436328), (4, 5032077246), (6, 3354718164), (7, 2875472712), (8, 2516038623), (9, 2236478776), (12, 1677359082), (14, 1437736356), (18, 1118239388), (21, 958490904), (24, 838679541), (28, 718868178), (36, 559119694), (42, 479245452), (49, 410781816), (56, 359434089), (63, 319496968), (72, 279559847), (84, 239622726), (98, 205390908), (126, 159748484), (147, 136927272), (168, 119811363), (196, 102695454), (252, 79874242), (294, 68463636), (392, 51347727), (441, 45642424), (504, 39937121), (588, 34231818), (882, 22821212), (1176, 17115909), (1764, 11410606), (3528, 5705303)]