20498998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 35400960

約数和(自身を除く): 14901962

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 377, 403, 754, 806, 877, 899, 1754, 1798, 11401, 11687, 22802, 23374, 25433, 27187, 50866, 54374, 330629, 353431, 661258, 706862, 788423, 1576846, 10249499, 20498998]

約数ペア:

[(1, 20498998), (2, 10249499), (13, 1576846), (26, 788423), (29, 706862), (31, 661258), (58, 353431), (62, 330629), (377, 54374), (403, 50866), (754, 27187), (806, 25433), (877, 23374), (899, 22802), (1754, 11687), (1798, 11401)]