20462778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 72

約数和(自身を含む): 53141088

約数和(自身を除く): 32678310

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 307, 322, 414, 483, 529, 614, 921, 966, 1058, 1449, 1587, 1842, 2149, 2763, 2898, 3174, 3703, 4298, 4761, 5526, 6447, 7061, 7406, 9522, 11109, 12894, 14122, 19341, 21183, 22218, 33327, 38682, 42366, 49427, 63549, 66654, 98854, 127098, 148281, 162403, 296562, 324806, 444843, 487209, 889686, 974418, 1136821, 1461627, 2273642, 2923254, 3410463, 6820926, 10231389, 20462778]

約数ペア:

[(1, 20462778), (2, 10231389), (3, 6820926), (6, 3410463), (7, 2923254), (9, 2273642), (14, 1461627), (18, 1136821), (21, 974418), (23, 889686), (42, 487209), (46, 444843), (63, 324806), (69, 296562), (126, 162403), (138, 148281), (161, 127098), (207, 98854), (307, 66654), (322, 63549), (414, 49427), (483, 42366), (529, 38682), (614, 33327), (921, 22218), (966, 21183), (1058, 19341), (1449, 14122), (1587, 12894), (1842, 11109), (2149, 9522), (2763, 7406), (2898, 7061), (3174, 6447), (3703, 5526), (4298, 4761)]