20785034241

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{39827}}^1$

素因数の和:40235

約数の個数: 40

約数和(自身を含む): 32963245920

約数和(自身を除く): 12178211679

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 379, 459, 1137, 1377, 3411, 6443, 10233, 19329, 30699, 39827, 57987, 119481, 173961, 358443, 521883, 677059, 1075329, 2031177, 3225987, 6093531, 15094433, 18280593, 45283299, 54841779, 135849897, 256605361, 407549691, 769816083, 1222649073, 2309448249, 6928344747, 20785034241]

約数ペア:

[(1, 20785034241), (3, 6928344747), (9, 2309448249), (17, 1222649073), (27, 769816083), (51, 407549691), (81, 256605361), (153, 135849897), (379, 54841779), (459, 45283299), (1137, 18280593), (1377, 15094433), (3411, 6093531), (6443, 3225987), (10233, 2031177), (19329, 1075329), (30699, 677059), (39827, 521883), (57987, 358443), (119481, 173961)]