20170380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{887}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 36519540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 887, 1137, 1516, 1774, 1895, 2274, 2661, 3548, 3790, 4435, 4548, 5322, 5685, 7580, 8870, 10644, 11370, 13305, 17740, 22740, 26610, 53220, 336173, 672346, 1008519, 1344692, 1680865, 2017038, 3361730, 4034076, 5042595, 6723460, 10085190, 20170380]

約数ペア:

[(1, 20170380), (2, 10085190), (3, 6723460), (4, 5042595), (5, 4034076), (6, 3361730), (10, 2017038), (12, 1680865), (15, 1344692), (20, 1008519), (30, 672346), (60, 336173), (379, 53220), (758, 26610), (887, 22740), (1137, 17740), (1516, 13305), (1774, 11370), (1895, 10644), (2274, 8870), (2661, 7580), (3548, 5685), (3790, 5322), (4435, 4548)]