20825910

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3673}}^1$

素因数の和:3699

約数の個数: 80

約数和(自身を含む): 64015776

約数和(自身を除く): 43189866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3673, 5670, 7346, 11019, 18365, 22038, 25711, 33057, 36730, 51422, 55095, 66114, 77133, 99171, 110190, 128555, 154266, 165285, 198342, 231399, 257110, 297513, 330570, 385665, 462798, 495855, 595026, 694197, 771330, 991710, 1156995, 1388394, 1487565, 2082591, 2313990, 2975130, 3470985, 4165182, 6941970, 10412955, 20825910]

約数ペア:

[(1, 20825910), (2, 10412955), (3, 6941970), (5, 4165182), (6, 3470985), (7, 2975130), (9, 2313990), (10, 2082591), (14, 1487565), (15, 1388394), (18, 1156995), (21, 991710), (27, 771330), (30, 694197), (35, 595026), (42, 495855), (45, 462798), (54, 385665), (63, 330570), (70, 297513), (81, 257110), (90, 231399), (105, 198342), (126, 165285), (135, 154266), (162, 128555), (189, 110190), (210, 99171), (270, 77133), (315, 66114), (378, 55095), (405, 51422), (567, 36730), (630, 33057), (810, 25711), (945, 22038), (1134, 18365), (1890, 11019), (2835, 7346), (3673, 5670)]