20248809

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 33685632

約数和(自身を除く): 13436823

約数列:

[1, 3, 7, 21, 23, 49, 53, 69, 113, 147, 159, 161, 339, 371, 483, 791, 1113, 1127, 1219, 2373, 2597, 2599, 3381, 3657, 5537, 5989, 7791, 7797, 8533, 16611, 17967, 18193, 25599, 41923, 54579, 59731, 125769, 127351, 137747, 179193, 293461, 382053, 413241, 880383, 964229, 2892687, 6749603, 20248809]

約数ペア:

[(1, 20248809), (3, 6749603), (7, 2892687), (21, 964229), (23, 880383), (49, 413241), (53, 382053), (69, 293461), (113, 179193), (147, 137747), (159, 127351), (161, 125769), (339, 59731), (371, 54579), (483, 41923), (791, 25599), (1113, 18193), (1127, 17967), (1219, 16611), (2373, 8533), (2597, 7797), (2599, 7791), (3381, 5989), (3657, 5537)]