20812890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99109}}^1$

素因数の和:99126

約数の個数: 32

約数和(自身を含む): 57087360

約数和(自身を除く): 36274470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99109, 198218, 297327, 495545, 594654, 693763, 991090, 1387526, 1486635, 2081289, 2973270, 3468815, 4162578, 6937630, 10406445, 20812890]

約数ペア:

[(1, 20812890), (2, 10406445), (3, 6937630), (5, 4162578), (6, 3468815), (7, 2973270), (10, 2081289), (14, 1486635), (15, 1387526), (21, 991090), (30, 693763), (35, 594654), (42, 495545), (70, 297327), (105, 198218), (210, 99109)]