20123701917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2713}}^1\times {\mathrm{4241}}^1$

素因数の和:7021

約数の個数: 32

約数和(自身を含む): 29841146496

約数和(自身を除く): 9717444579

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 2713, 4241, 8139, 12723, 29843, 46651, 89529, 139953, 143789, 224773, 431367, 674319, 1581679, 2472503, 4745037, 7417509, 11505833, 34517499, 126564163, 379692489, 609809149, 1829427447, 6707900639, 20123701917]

約数ペア:

[(1, 20123701917), (3, 6707900639), (11, 1829427447), (33, 609809149), (53, 379692489), (159, 126564163), (583, 34517499), (1749, 11505833), (2713, 7417509), (4241, 4745037), (8139, 2472503), (12723, 1581679), (29843, 674319), (46651, 431367), (89529, 224773), (139953, 143789)]