20750520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3529}}^1$

素因数の和:3557

約数の個数: 96

約数和(自身を含む): 72435600

約数和(自身を除く): 51685080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3529, 5880, 7058, 10587, 14116, 17645, 21174, 24703, 28232, 35290, 42348, 49406, 52935, 70580, 74109, 84696, 98812, 105870, 123515, 141160, 148218, 172921, 197624, 211740, 247030, 296436, 345842, 370545, 423480, 494060, 518763, 592872, 691684, 741090, 864605, 988120, 1037526, 1383368, 1482180, 1729210, 2075052, 2593815, 2964360, 3458420, 4150104, 5187630, 6916840, 10375260, 20750520]

約数ペア:

[(1, 20750520), (2, 10375260), (3, 6916840), (4, 5187630), (5, 4150104), (6, 3458420), (7, 2964360), (8, 2593815), (10, 2075052), (12, 1729210), (14, 1482180), (15, 1383368), (20, 1037526), (21, 988120), (24, 864605), (28, 741090), (30, 691684), (35, 592872), (40, 518763), (42, 494060), (49, 423480), (56, 370545), (60, 345842), (70, 296436), (84, 247030), (98, 211740), (105, 197624), (120, 172921), (140, 148218), (147, 141160), (168, 123515), (196, 105870), (210, 98812), (245, 84696), (280, 74109), (294, 70580), (392, 52935), (420, 49406), (490, 42348), (588, 35290), (735, 28232), (840, 24703), (980, 21174), (1176, 17645), (1470, 14116), (1960, 10587), (2940, 7058), (3529, 5880)]