20809723920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86707183}}^1$

素因数の和:86707199

約数の個数: 40

約数和(自身を含む): 64510144896

約数和(自身を除く): 43700420976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86707183, 173414366, 260121549, 346828732, 433535915, 520243098, 693657464, 867071830, 1040486196, 1300607745, 1387314928, 1734143660, 2080972392, 2601215490, 3468287320, 4161944784, 5202430980, 6936574640, 10404861960, 20809723920]

約数ペア:

[(1, 20809723920), (2, 10404861960), (3, 6936574640), (4, 5202430980), (5, 4161944784), (6, 3468287320), (8, 2601215490), (10, 2080972392), (12, 1734143660), (15, 1387314928), (16, 1300607745), (20, 1040486196), (24, 867071830), (30, 693657464), (40, 520243098), (48, 433535915), (60, 346828732), (80, 260121549), (120, 173414366), (240, 86707183)]