20996122

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1950

約数の個数: 32

約数和(自身を含む): 38942208

約数和(自身を除く): 17946086

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1877, 3754, 5593, 11186, 13139, 26278, 31909, 63818, 88219, 176438, 223363, 446726, 617533, 1235066, 1499723, 2999446, 10498061, 20996122]

約数ペア:

[(1, 20996122), (2, 10498061), (7, 2999446), (14, 1499723), (17, 1235066), (34, 617533), (47, 446726), (94, 223363), (119, 176438), (238, 88219), (329, 63818), (658, 31909), (799, 26278), (1598, 13139), (1877, 11186), (3754, 5593)]