20686387778

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4273}}^1\times {\mathrm{5861}}^1$

素因数の和:10202

約数の個数: 32

約数和(自身を含む): 36078030720

約数和(自身を除く): 15391642942

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 4273, 5861, 8546, 11722, 29911, 41027, 59822, 82054, 252107, 345799, 504214, 691598, 1764749, 2420593, 3529498, 4841186, 25044053, 50088106, 175308371, 350616742, 1477599127, 2955198254, 10343193889, 20686387778]

約数ペア:

[(1, 20686387778), (2, 10343193889), (7, 2955198254), (14, 1477599127), (59, 350616742), (118, 175308371), (413, 50088106), (826, 25044053), (4273, 4841186), (5861, 3529498), (8546, 2420593), (11722, 1764749), (29911, 691598), (41027, 504214), (59822, 345799), (82054, 252107)]