20303430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 35960250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 887, 1090, 1526, 1635, 1774, 2289, 2661, 3270, 3815, 4435, 4578, 5322, 6209, 7630, 8870, 11445, 12418, 13305, 18627, 22890, 26610, 31045, 37254, 62090, 93135, 96683, 186270, 193366, 290049, 483415, 580098, 676781, 966830, 1353562, 1450245, 2030343, 2900490, 3383905, 4060686, 6767810, 10151715, 20303430]

約数ペア:

[(1, 20303430), (2, 10151715), (3, 6767810), (5, 4060686), (6, 3383905), (7, 2900490), (10, 2030343), (14, 1450245), (15, 1353562), (21, 966830), (30, 676781), (35, 580098), (42, 483415), (70, 290049), (105, 193366), (109, 186270), (210, 96683), (218, 93135), (327, 62090), (545, 37254), (654, 31045), (763, 26610), (887, 22890), (1090, 18627), (1526, 13305), (1635, 12418), (1774, 11445), (2289, 8870), (2661, 7630), (3270, 6209), (3815, 5322), (4435, 4578)]