20128610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2306

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18578590

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2239, 4478, 4495, 8990, 11195, 22390, 64931, 69409, 129862, 138818, 324655, 347045, 649310, 694090, 2012861, 4025722, 10064305, 20128610]

約数ペア:

[(1, 20128610), (2, 10064305), (5, 4025722), (10, 2012861), (29, 694090), (31, 649310), (58, 347045), (62, 324655), (145, 138818), (155, 129862), (290, 69409), (310, 64931), (899, 22390), (1798, 11195), (2239, 8990), (4478, 4495)]