20974972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 19022468

約数列:

[1, 2, 4, 31, 47, 59, 61, 62, 94, 118, 122, 124, 188, 236, 244, 1457, 1829, 1891, 2773, 2867, 2914, 3599, 3658, 3782, 5546, 5734, 5828, 7198, 7316, 7564, 11092, 11468, 14396, 85963, 88877, 111569, 169153, 171926, 177754, 223138, 338306, 343852, 355508, 446276, 676612, 5243743, 10487486, 20974972]

約数ペア:

[(1, 20974972), (2, 10487486), (4, 5243743), (31, 676612), (47, 446276), (59, 355508), (61, 343852), (62, 338306), (94, 223138), (118, 177754), (122, 171926), (124, 169153), (188, 111569), (236, 88877), (244, 85963), (1457, 14396), (1829, 11468), (1891, 11092), (2773, 7564), (2867, 7316), (2914, 7198), (3599, 5828), (3658, 5734), (3782, 5546)]