20976830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7309}}^1$

素因数の和:7364

約数の個数: 32

約数和(自身を含む): 44210880

約数和(自身を除く): 23234050

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7309, 14618, 36545, 51163, 73090, 102326, 255815, 299669, 511630, 599338, 1498345, 2097683, 2996690, 4195366, 10488415, 20976830]

約数ペア:

[(1, 20976830), (2, 10488415), (5, 4195366), (7, 2996690), (10, 2097683), (14, 1498345), (35, 599338), (41, 511630), (70, 299669), (82, 255815), (205, 102326), (287, 73090), (410, 51163), (574, 36545), (1435, 14618), (2870, 7309)]