20484898

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 38372544

約数和(自身を除く): 17887646

約数列:

[1, 2, 7, 14, 17, 34, 61, 83, 119, 122, 166, 238, 289, 427, 578, 581, 854, 1037, 1162, 1411, 2023, 2074, 2822, 4046, 5063, 7259, 9877, 10126, 14518, 17629, 19754, 23987, 35258, 35441, 47974, 70882, 86071, 123403, 167909, 172142, 246806, 335818, 602497, 1204994, 1463207, 2926414, 10242449, 20484898]

約数ペア:

[(1, 20484898), (2, 10242449), (7, 2926414), (14, 1463207), (17, 1204994), (34, 602497), (61, 335818), (83, 246806), (119, 172142), (122, 167909), (166, 123403), (238, 86071), (289, 70882), (427, 47974), (578, 35441), (581, 35258), (854, 23987), (1037, 19754), (1162, 17629), (1411, 14518), (2023, 10126), (2074, 9877), (2822, 7259), (4046, 5063)]