20783644

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5618

約数の個数: 36

約数和(自身を含む): 44544360

約数和(自身を除く): 23760716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5581, 11162, 22324, 39067, 78134, 106039, 156268, 212078, 273469, 424156, 546938, 742273, 1093876, 1484546, 2969092, 5195911, 10391822, 20783644]

約数ペア:

[(1, 20783644), (2, 10391822), (4, 5195911), (7, 2969092), (14, 1484546), (19, 1093876), (28, 742273), (38, 546938), (49, 424156), (76, 273469), (98, 212078), (133, 156268), (196, 106039), (266, 78134), (532, 39067), (931, 22324), (1862, 11162), (3724, 5581)]