20880451546

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{3343}}^1$

素因数の和:3635

約数の個数: 48

約数和(自身を含む): 34032797568

約数和(自身を除く): 13152346022

約数列:

[1, 2, 19, 38, 41, 82, 211, 361, 422, 722, 779, 1558, 3343, 4009, 6686, 8018, 8651, 14801, 17302, 29602, 63517, 76171, 127034, 137063, 152342, 164369, 274126, 328738, 705373, 1206823, 1410746, 2413646, 2604197, 3123011, 5208394, 6246022, 13402087, 26804174, 28920293, 49479743, 57840586, 98959486, 254639653, 509279306, 549485567, 1098971134, 10440225773, 20880451546]

約数ペア:

[(1, 20880451546), (2, 10440225773), (19, 1098971134), (38, 549485567), (41, 509279306), (82, 254639653), (211, 98959486), (361, 57840586), (422, 49479743), (722, 28920293), (779, 26804174), (1558, 13402087), (3343, 6246022), (4009, 5208394), (6686, 3123011), (8018, 2604197), (8651, 2413646), (14801, 1410746), (17302, 1206823), (29602, 705373), (63517, 328738), (76171, 274126), (127034, 164369), (137063, 152342)]