20697688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12379}}^1$

素因数の和:12415

約数の個数: 32

約数和(自身を含む): 44568000

約数和(自身を除く): 23870312

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12379, 24758, 49516, 99032, 136169, 235201, 272338, 470402, 544676, 940804, 1089352, 1881608, 2587211, 5174422, 10348844, 20697688]

約数ペア:

[(1, 20697688), (2, 10348844), (4, 5174422), (8, 2587211), (11, 1881608), (19, 1089352), (22, 940804), (38, 544676), (44, 470402), (76, 272338), (88, 235201), (152, 136169), (209, 99032), (418, 49516), (836, 24758), (1672, 12379)]