20063540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 49986720

約数和(自身を除く): 29923180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 347, 413, 490, 590, 694, 826, 980, 1180, 1388, 1652, 1735, 2065, 2429, 2891, 3470, 4130, 4858, 5782, 6940, 8260, 9716, 11564, 12145, 14455, 17003, 20473, 24290, 28910, 34006, 40946, 48580, 57820, 68012, 81892, 85015, 102365, 143311, 170030, 204730, 286622, 340060, 409460, 573244, 716555, 1003177, 1433110, 2006354, 2866220, 4012708, 5015885, 10031770, 20063540]

約数ペア:

[(1, 20063540), (2, 10031770), (4, 5015885), (5, 4012708), (7, 2866220), (10, 2006354), (14, 1433110), (20, 1003177), (28, 716555), (35, 573244), (49, 409460), (59, 340060), (70, 286622), (98, 204730), (118, 170030), (140, 143311), (196, 102365), (236, 85015), (245, 81892), (295, 68012), (347, 57820), (413, 48580), (490, 40946), (590, 34006), (694, 28910), (826, 24290), (980, 20473), (1180, 17003), (1388, 14455), (1652, 12145), (1735, 11564), (2065, 9716), (2429, 8260), (2891, 6940), (3470, 5782), (4130, 4858)]