20745396

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3049}}^1$

素因数の和:3075

約数の個数: 72

約数和(自身を含む): 62171200

約数和(自身を除く): 41425804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3049, 3402, 6098, 6804, 9147, 12196, 18294, 21343, 27441, 36588, 42686, 54882, 64029, 82323, 85372, 109764, 128058, 164646, 192087, 246969, 256116, 329292, 384174, 493938, 576261, 740907, 768348, 987876, 1152522, 1481814, 1728783, 2305044, 2963628, 3457566, 5186349, 6915132, 10372698, 20745396]

約数ペア:

[(1, 20745396), (2, 10372698), (3, 6915132), (4, 5186349), (6, 3457566), (7, 2963628), (9, 2305044), (12, 1728783), (14, 1481814), (18, 1152522), (21, 987876), (27, 768348), (28, 740907), (36, 576261), (42, 493938), (54, 384174), (63, 329292), (81, 256116), (84, 246969), (108, 192087), (126, 164646), (162, 128058), (189, 109764), (243, 85372), (252, 82323), (324, 64029), (378, 54882), (486, 42686), (567, 36588), (756, 27441), (972, 21343), (1134, 18294), (1701, 12196), (2268, 9147), (3049, 6804), (3402, 6098)]