20852676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2661

約数の個数: 72

約数和(自身を含む): 60127704

約数和(自身を除く): 39275028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2621, 2652, 3978, 5242, 7863, 7956, 10484, 15726, 23589, 31452, 34073, 44557, 47178, 68146, 89114, 94356, 102219, 133671, 136292, 178228, 204438, 267342, 306657, 401013, 408876, 534684, 579241, 613314, 802026, 1158482, 1226628, 1604052, 1737723, 2316964, 3475446, 5213169, 6950892, 10426338, 20852676]

約数ペア:

[(1, 20852676), (2, 10426338), (3, 6950892), (4, 5213169), (6, 3475446), (9, 2316964), (12, 1737723), (13, 1604052), (17, 1226628), (18, 1158482), (26, 802026), (34, 613314), (36, 579241), (39, 534684), (51, 408876), (52, 401013), (68, 306657), (78, 267342), (102, 204438), (117, 178228), (153, 136292), (156, 133671), (204, 102219), (221, 94356), (234, 89114), (306, 68146), (442, 47178), (468, 44557), (612, 34073), (663, 31452), (884, 23589), (1326, 15726), (1989, 10484), (2621, 7956), (2652, 7863), (3978, 5242)]