20706972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 57245328

約数和(自身を除く): 36538356

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1097, 1452, 1573, 1716, 2194, 3146, 3291, 4388, 4719, 6292, 6582, 9438, 12067, 13164, 14261, 18876, 24134, 28522, 36201, 42783, 48268, 57044, 72402, 85566, 132737, 144804, 156871, 171132, 265474, 313742, 398211, 470613, 530948, 627484, 796422, 941226, 1592844, 1725581, 1882452, 3451162, 5176743, 6902324, 10353486, 20706972]

約数ペア:

[(1, 20706972), (2, 10353486), (3, 6902324), (4, 5176743), (6, 3451162), (11, 1882452), (12, 1725581), (13, 1592844), (22, 941226), (26, 796422), (33, 627484), (39, 530948), (44, 470613), (52, 398211), (66, 313742), (78, 265474), (121, 171132), (132, 156871), (143, 144804), (156, 132737), (242, 85566), (286, 72402), (363, 57044), (429, 48268), (484, 42783), (572, 36201), (726, 28522), (858, 24134), (1097, 18876), (1452, 14261), (1573, 13164), (1716, 12067), (2194, 9438), (3146, 6582), (3291, 6292), (4388, 4719)]