20178244808

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{5801}}^1\times {\mathrm{3989}}^1$

素因数の和:9905

約数の個数: 32

約数和(自身を含む): 38197467000

約数和(自身を除く): 18019222192

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 3989, 5801, 7978, 11602, 15956, 23204, 31912, 46408, 434801, 632309, 869602, 1264618, 1739204, 2529236, 3478408, 5058472, 23140189, 46280378, 92560756, 185121512, 2522280601, 5044561202, 10089122404, 20178244808]

約数ペア:

[(1, 20178244808), (2, 10089122404), (4, 5044561202), (8, 2522280601), (109, 185121512), (218, 92560756), (436, 46280378), (872, 23140189), (3989, 5058472), (5801, 3478408), (7978, 2529236), (11602, 1739204), (15956, 1264618), (23204, 869602), (31912, 632309), (46408, 434801)]