20909490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5857}}^1$

素因数の和:5891

約数の個数: 64

約数和(自身を含む): 60735744

約数和(自身を除く): 39826254

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5857, 11714, 17571, 29285, 35142, 40999, 58570, 81998, 87855, 99569, 122997, 175710, 199138, 204995, 245994, 298707, 409990, 497845, 597414, 614985, 696983, 995690, 1229970, 1393966, 1493535, 2090949, 2987070, 3484915, 4181898, 6969830, 10454745, 20909490]

約数ペア:

[(1, 20909490), (2, 10454745), (3, 6969830), (5, 4181898), (6, 3484915), (7, 2987070), (10, 2090949), (14, 1493535), (15, 1393966), (17, 1229970), (21, 995690), (30, 696983), (34, 614985), (35, 597414), (42, 497845), (51, 409990), (70, 298707), (85, 245994), (102, 204995), (105, 199138), (119, 175710), (170, 122997), (210, 99569), (238, 87855), (255, 81998), (357, 58570), (510, 40999), (595, 35142), (714, 29285), (1190, 17571), (1785, 11714), (3570, 5857)]