20038710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31386570

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 58, 62, 87, 93, 145, 155, 174, 186, 290, 310, 435, 465, 743, 870, 899, 930, 1486, 1798, 2229, 2697, 3715, 4458, 4495, 5394, 7430, 8990, 11145, 13485, 21547, 22290, 23033, 26970, 43094, 46066, 64641, 69099, 107735, 115165, 129282, 138198, 215470, 230330, 323205, 345495, 646410, 667957, 690990, 1335914, 2003871, 3339785, 4007742, 6679570, 10019355, 20038710]

約数ペア:

[(1, 20038710), (2, 10019355), (3, 6679570), (5, 4007742), (6, 3339785), (10, 2003871), (15, 1335914), (29, 690990), (30, 667957), (31, 646410), (58, 345495), (62, 323205), (87, 230330), (93, 215470), (145, 138198), (155, 129282), (174, 115165), (186, 107735), (290, 69099), (310, 64641), (435, 46066), (465, 43094), (743, 26970), (870, 23033), (899, 22290), (930, 21547), (1486, 13485), (1798, 11145), (2229, 8990), (2697, 7430), (3715, 5394), (4458, 4495)]