20699856

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3343}}^1$

素因数の和:3400

約数の個数: 60

約数和(自身を含む): 59295808

約数和(自身を除く): 38595952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3343, 6192, 6686, 10029, 13372, 20058, 26744, 30087, 40116, 53488, 60174, 80232, 120348, 143749, 160464, 240696, 287498, 431247, 481392, 574996, 862494, 1149992, 1293741, 1724988, 2299984, 2587482, 3449976, 5174964, 6899952, 10349928, 20699856]

約数ペア:

[(1, 20699856), (2, 10349928), (3, 6899952), (4, 5174964), (6, 3449976), (8, 2587482), (9, 2299984), (12, 1724988), (16, 1293741), (18, 1149992), (24, 862494), (36, 574996), (43, 481392), (48, 431247), (72, 287498), (86, 240696), (129, 160464), (144, 143749), (172, 120348), (258, 80232), (344, 60174), (387, 53488), (516, 40116), (688, 30087), (774, 26744), (1032, 20058), (1548, 13372), (2064, 10029), (3096, 6686), (3343, 6192)]