20908440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8297}}^1$

素因数の和:8321

約数の個数: 96

約数和(自身を含む): 77669280

約数和(自身を除く): 56760840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8297, 16594, 24891, 33188, 41485, 49782, 58079, 66376, 74673, 82970, 99564, 116158, 124455, 149346, 165940, 174237, 199128, 232316, 248910, 290395, 298692, 331880, 348474, 373365, 464632, 497820, 522711, 580790, 597384, 696948, 746730, 871185, 995640, 1045422, 1161580, 1393896, 1493460, 1742370, 2090844, 2323160, 2613555, 2986920, 3484740, 4181688, 5227110, 6969480, 10454220, 20908440]

約数ペア:

[(1, 20908440), (2, 10454220), (3, 6969480), (4, 5227110), (5, 4181688), (6, 3484740), (7, 2986920), (8, 2613555), (9, 2323160), (10, 2090844), (12, 1742370), (14, 1493460), (15, 1393896), (18, 1161580), (20, 1045422), (21, 995640), (24, 871185), (28, 746730), (30, 696948), (35, 597384), (36, 580790), (40, 522711), (42, 497820), (45, 464632), (56, 373365), (60, 348474), (63, 331880), (70, 298692), (72, 290395), (84, 248910), (90, 232316), (105, 199128), (120, 174237), (126, 165940), (140, 149346), (168, 124455), (180, 116158), (210, 99564), (252, 82970), (280, 74673), (315, 66376), (360, 58079), (420, 49782), (504, 41485), (630, 33188), (840, 24891), (1260, 16594), (2520, 8297)]