20512373787

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{3253}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 31042222848

約数和(自身を除く): 10529849061

約数列:

[1, 3, 9, 31, 93, 97, 233, 279, 291, 699, 873, 2097, 3007, 3253, 7223, 9021, 9759, 21669, 22601, 27063, 29277, 65007, 67803, 100843, 203409, 302529, 315541, 700631, 757949, 907587, 946623, 2101893, 2273847, 2839869, 6305679, 6821541, 9781771, 23496419, 29345313, 70489257, 73521053, 88035939, 211467771, 220563159, 661689477, 2279152643, 6837457929, 20512373787]

約数ペア:

[(1, 20512373787), (3, 6837457929), (9, 2279152643), (31, 661689477), (93, 220563159), (97, 211467771), (233, 88035939), (279, 73521053), (291, 70489257), (699, 29345313), (873, 23496419), (2097, 9781771), (3007, 6821541), (3253, 6305679), (7223, 2839869), (9021, 2273847), (9759, 2101893), (21669, 946623), (22601, 907587), (27063, 757949), (29277, 700631), (65007, 315541), (67803, 302529), (100843, 203409)]