20087140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 24365660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 587, 590, 1174, 1180, 1711, 2348, 2935, 3422, 5870, 6844, 8555, 11740, 17023, 17110, 34046, 34220, 34633, 68092, 69266, 85115, 138532, 170230, 173165, 340460, 346330, 692660, 1004357, 2008714, 4017428, 5021785, 10043570, 20087140]

約数ペア:

[(1, 20087140), (2, 10043570), (4, 5021785), (5, 4017428), (10, 2008714), (20, 1004357), (29, 692660), (58, 346330), (59, 340460), (116, 173165), (118, 170230), (145, 138532), (236, 85115), (290, 69266), (295, 68092), (580, 34633), (587, 34220), (590, 34046), (1174, 17110), (1180, 17023), (1711, 11740), (2348, 8555), (2935, 6844), (3422, 5870)]