20391294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 36010626

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 23, 33, 38, 42, 46, 57, 66, 69, 77, 101, 114, 133, 138, 154, 161, 202, 209, 231, 253, 266, 303, 322, 399, 418, 437, 462, 483, 506, 606, 627, 707, 759, 798, 874, 966, 1111, 1254, 1311, 1414, 1463, 1518, 1771, 1919, 2121, 2222, 2323, 2622, 2926, 3059, 3333, 3542, 3838, 4242, 4389, 4646, 4807, 5313, 5757, 6118, 6666, 6969, 7777, 8778, 9177, 9614, 10626, 11514, 13433, 13938, 14421, 15554, 16261, 18354, 21109, 23331, 25553, 26866, 28842, 32522, 33649, 40299, 42218, 44137, 46662, 48783, 51106, 63327, 67298, 76659, 80598, 88274, 97566, 100947, 126654, 132411, 147763, 153318, 178871, 201894, 264822, 295526, 308959, 357742, 443289, 485507, 536613, 617918, 886578, 926877, 971014, 1073226, 1456521, 1853754, 2913042, 3398549, 6797098, 10195647, 20391294]

約数ペア:

[(1, 20391294), (2, 10195647), (3, 6797098), (6, 3398549), (7, 2913042), (11, 1853754), (14, 1456521), (19, 1073226), (21, 971014), (22, 926877), (23, 886578), (33, 617918), (38, 536613), (42, 485507), (46, 443289), (57, 357742), (66, 308959), (69, 295526), (77, 264822), (101, 201894), (114, 178871), (133, 153318), (138, 147763), (154, 132411), (161, 126654), (202, 100947), (209, 97566), (231, 88274), (253, 80598), (266, 76659), (303, 67298), (322, 63327), (399, 51106), (418, 48783), (437, 46662), (462, 44137), (483, 42218), (506, 40299), (606, 33649), (627, 32522), (707, 28842), (759, 26866), (798, 25553), (874, 23331), (966, 21109), (1111, 18354), (1254, 16261), (1311, 15554), (1414, 14421), (1463, 13938), (1518, 13433), (1771, 11514), (1919, 10626), (2121, 9614), (2222, 9177), (2323, 8778), (2622, 7777), (2926, 6969), (3059, 6666), (3333, 6118), (3542, 5757), (3838, 5313), (4242, 4807), (4389, 4646)]