20839138316

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{5021}}^1$

素因数の和:5474

約数の個数: 48

約数和(自身を含む): 38421915840

約数和(自身を除く): 17582777524

約数列:

[1, 2, 4, 23, 46, 92, 197, 229, 394, 458, 788, 916, 4531, 5021, 5267, 9062, 10042, 10534, 18124, 20084, 21068, 45113, 90226, 115483, 180452, 230966, 461932, 989137, 1037599, 1149809, 1978274, 2075198, 2299618, 3956548, 4150396, 4599236, 22750151, 26445607, 45500302, 52891214, 91000604, 105782428, 226512373, 453024746, 906049492, 5209784579, 10419569158, 20839138316]

約数ペア:

[(1, 20839138316), (2, 10419569158), (4, 5209784579), (23, 906049492), (46, 453024746), (92, 226512373), (197, 105782428), (229, 91000604), (394, 52891214), (458, 45500302), (788, 26445607), (916, 22750151), (4531, 4599236), (5021, 4150396), (5267, 3956548), (9062, 2299618), (10042, 2075198), (10534, 1978274), (18124, 1149809), (20084, 1037599), (21068, 989137), (45113, 461932), (90226, 230966), (115483, 180452)]