20808280576

素因数分解:

$2^9\times {\mathrm{199}}^1\times {\mathrm{331}}^1\times {\mathrm{617}}^1$

素因数の和:1165

約数の個数: 80

約数和(自身を含む): 41979009600

約数和(自身を除く): 21170729024

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 331, 398, 512, 617, 662, 796, 1234, 1324, 1592, 2468, 2648, 3184, 4936, 5296, 6368, 9872, 10592, 12736, 19744, 21184, 25472, 39488, 42368, 50944, 65869, 78976, 84736, 101888, 122783, 131738, 157952, 169472, 204227, 245566, 263476, 315904, 408454, 491132, 526952, 816908, 982264, 1053904, 1633816, 1964528, 2107808, 3267632, 3929056, 4215616, 6535264, 7858112, 8431232, 13070528, 15716224, 16862464, 26141056, 31432448, 33724928, 40641173, 52282112, 62864896, 81282346, 104564224, 162564692, 325129384, 650258768, 1300517536, 2601035072, 5202070144, 10404140288, 20808280576]

約数ペア:

[(1, 20808280576), (2, 10404140288), (4, 5202070144), (8, 2601035072), (16, 1300517536), (32, 650258768), (64, 325129384), (128, 162564692), (199, 104564224), (256, 81282346), (331, 62864896), (398, 52282112), (512, 40641173), (617, 33724928), (662, 31432448), (796, 26141056), (1234, 16862464), (1324, 15716224), (1592, 13070528), (2468, 8431232), (2648, 7858112), (3184, 6535264), (4936, 4215616), (5296, 3929056), (6368, 3267632), (9872, 2107808), (10592, 1964528), (12736, 1633816), (19744, 1053904), (21184, 982264), (25472, 816908), (39488, 526952), (42368, 491132), (50944, 408454), (65869, 315904), (78976, 263476), (84736, 245566), (101888, 204227), (122783, 169472), (131738, 157952)]