20092960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4097

約数の個数: 48

約数和(自身を含む): 49012992

約数和(自身を除く): 28920032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4051, 4960, 8102, 16204, 20255, 32408, 40510, 64816, 81020, 125581, 129632, 162040, 251162, 324080, 502324, 627905, 648160, 1004648, 1255810, 2009296, 2511620, 4018592, 5023240, 10046480, 20092960]

約数ペア:

[(1, 20092960), (2, 10046480), (4, 5023240), (5, 4018592), (8, 2511620), (10, 2009296), (16, 1255810), (20, 1004648), (31, 648160), (32, 627905), (40, 502324), (62, 324080), (80, 251162), (124, 162040), (155, 129632), (160, 125581), (248, 81020), (310, 64816), (496, 40510), (620, 32408), (992, 20255), (1240, 16204), (2480, 8102), (4051, 4960)]