20177045307

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1\times {\mathrm{3709}}^1$

素因数の和:4860

約数の個数: 48

約数和(自身を含む): 31773924000

約数和(自身を除く): 11596878693

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1097, 1653, 3291, 3709, 4959, 9873, 11127, 20843, 31813, 33381, 62529, 70471, 95439, 107561, 187587, 211413, 286317, 322683, 604447, 634239, 968049, 1813341, 2043659, 4068773, 5440023, 6130977, 12206319, 18392931, 36618957, 77306687, 117994417, 231920061, 353983251, 695760183, 1061949753, 2241893923, 6725681769, 20177045307]

約数ペア:

[(1, 20177045307), (3, 6725681769), (9, 2241893923), (19, 1061949753), (29, 695760183), (57, 353983251), (87, 231920061), (171, 117994417), (261, 77306687), (551, 36618957), (1097, 18392931), (1653, 12206319), (3291, 6130977), (3709, 5440023), (4959, 4068773), (9873, 2043659), (11127, 1813341), (20843, 968049), (31813, 634239), (33381, 604447), (62529, 322683), (70471, 286317), (95439, 211413), (107561, 187587)]