12920796

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 38940160

約数和(自身を除く): 26019364

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, 211, 243, 252, 324, 378, 422, 486, 567, 633, 729, 756, 844, 972, 1134, 1266, 1458, 1477, 1701, 1899, 2187, 2268, 2532, 2916, 2954, 3402, 3798, 4374, 4431, 5103, 5697, 5908, 6804, 7596, 8748, 8862, 10206, 11394, 13293, 15309, 17091, 17724, 20412, 22788, 26586, 30618, 34182, 39879, 51273, 53172, 61236, 68364, 79758, 102546, 119637, 153819, 159516, 205092, 239274, 307638, 358911, 461457, 478548, 615276, 717822, 922914, 1076733, 1435644, 1845828, 2153466, 3230199, 4306932, 6460398, 12920796]

約数ペア:

[(1, 12920796), (2, 6460398), (3, 4306932), (4, 3230199), (6, 2153466), (7, 1845828), (9, 1435644), (12, 1076733), (14, 922914), (18, 717822), (21, 615276), (27, 478548), (28, 461457), (36, 358911), (42, 307638), (54, 239274), (63, 205092), (81, 159516), (84, 153819), (108, 119637), (126, 102546), (162, 79758), (189, 68364), (211, 61236), (243, 53172), (252, 51273), (324, 39879), (378, 34182), (422, 30618), (486, 26586), (567, 22788), (633, 20412), (729, 17724), (756, 17091), (844, 15309), (972, 13293), (1134, 11394), (1266, 10206), (1458, 8862), (1477, 8748), (1701, 7596), (1899, 6804), (2187, 5908), (2268, 5697), (2532, 5103), (2916, 4431), (2954, 4374), (3402, 3798)]