20216457088

素因数分解:

$2^7\times {\mathrm{229}}^1\times {\mathrm{689699}}^1$

素因数の和:689942

約数の個数: 32

約数和(自身を含む): 40450905000

約数和(自身を除く): 20234447912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 458, 916, 1832, 3664, 7328, 14656, 29312, 689699, 1379398, 2758796, 5517592, 11035184, 22070368, 44140736, 88281472, 157941071, 315882142, 631764284, 1263528568, 2527057136, 5054114272, 10108228544, 20216457088]

約数ペア:

[(1, 20216457088), (2, 10108228544), (4, 5054114272), (8, 2527057136), (16, 1263528568), (32, 631764284), (64, 315882142), (128, 157941071), (229, 88281472), (458, 44140736), (916, 22070368), (1832, 11035184), (3664, 5517592), (7328, 2758796), (14656, 1379398), (29312, 689699)]