20210121968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1\times {\mathrm{1759}}^1$

素因数の和:2634

約数の個数: 80

約数和(自身を含む): 42319791360

約数和(自身を除く): 22109669392

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 797, 848, 901, 1594, 1759, 1802, 3188, 3518, 3604, 6376, 7036, 7208, 12752, 13549, 14072, 14416, 27098, 28144, 29903, 42241, 54196, 59806, 84482, 93227, 108392, 119612, 168964, 186454, 216784, 239224, 337928, 372908, 478448, 675856, 718097, 745816, 1401923, 1436194, 1491632, 1584859, 2803846, 2872388, 3169718, 5607692, 5744776, 6339436, 11215384, 11489552, 12678872, 22430768, 23832691, 25357744, 47665382, 74301919, 95330764, 148603838, 190661528, 297207676, 381323056, 594415352, 1188830704, 1263132623, 2526265246, 5052530492, 10105060984, 20210121968]

約数ペア:

[(1, 20210121968), (2, 10105060984), (4, 5052530492), (8, 2526265246), (16, 1263132623), (17, 1188830704), (34, 594415352), (53, 381323056), (68, 297207676), (106, 190661528), (136, 148603838), (212, 95330764), (272, 74301919), (424, 47665382), (797, 25357744), (848, 23832691), (901, 22430768), (1594, 12678872), (1759, 11489552), (1802, 11215384), (3188, 6339436), (3518, 5744776), (3604, 5607692), (6376, 3169718), (7036, 2872388), (7208, 2803846), (12752, 1584859), (13549, 1491632), (14072, 1436194), (14416, 1401923), (27098, 745816), (28144, 718097), (29903, 675856), (42241, 478448), (54196, 372908), (59806, 337928), (84482, 239224), (93227, 216784), (108392, 186454), (119612, 168964)]