20216353520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{37847}}^1$

素因数の和:38478

約数の個数: 80

約数和(自身を含む): 51361855488

約数和(自身を除く): 31145501968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 607, 880, 1214, 2428, 3035, 4856, 6070, 6677, 9712, 12140, 13354, 24280, 26708, 33385, 37847, 48560, 53416, 66770, 75694, 106832, 133540, 151388, 189235, 267080, 302776, 378470, 416317, 534160, 605552, 756940, 832634, 1513880, 1665268, 2081585, 3027760, 3330536, 4163170, 6661072, 8326340, 16652680, 22973129, 33305360, 45946258, 91892516, 114865645, 183785032, 229731290, 252704419, 367570064, 459462580, 505408838, 918925160, 1010817676, 1263522095, 1837850320, 2021635352, 2527044190, 4043270704, 5054088380, 10108176760, 20216353520]

約数ペア:

[(1, 20216353520), (2, 10108176760), (4, 5054088380), (5, 4043270704), (8, 2527044190), (10, 2021635352), (11, 1837850320), (16, 1263522095), (20, 1010817676), (22, 918925160), (40, 505408838), (44, 459462580), (55, 367570064), (80, 252704419), (88, 229731290), (110, 183785032), (176, 114865645), (220, 91892516), (440, 45946258), (607, 33305360), (880, 22973129), (1214, 16652680), (2428, 8326340), (3035, 6661072), (4856, 4163170), (6070, 3330536), (6677, 3027760), (9712, 2081585), (12140, 1665268), (13354, 1513880), (24280, 832634), (26708, 756940), (33385, 605552), (37847, 534160), (48560, 416317), (53416, 378470), (66770, 302776), (75694, 267080), (106832, 189235), (133540, 151388)]