20187274816

素因数分解:

$2^6\times {\mathrm{4651}}^1\times {\mathrm{67819}}^1$

素因数の和:72482

約数の個数: 28

約数和(自身を含む): 40068327280

約数和(自身を除く): 19881052464

約数列:

[1, 2, 4, 8, 16, 32, 64, 4651, 9302, 18604, 37208, 67819, 74416, 135638, 148832, 271276, 297664, 542552, 1085104, 2170208, 4340416, 315426169, 630852338, 1261704676, 2523409352, 5046818704, 10093637408, 20187274816]

約数ペア:

[(1, 20187274816), (2, 10093637408), (4, 5046818704), (8, 2523409352), (16, 1261704676), (32, 630852338), (64, 315426169), (4651, 4340416), (9302, 2170208), (18604, 1085104), (37208, 542552), (67819, 297664), (74416, 271276), (135638, 148832)]