220180664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131687}}^1$

素因数の和:131723

約数の個数: 32

約数和(自身を含む): 474076800

約数和(自身を除く): 253896136

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 131687, 263374, 526748, 1053496, 1448557, 2502053, 2897114, 5004106, 5794228, 10008212, 11588456, 20016424, 27522583, 55045166, 110090332, 220180664]

約数ペア:

[(1, 220180664), (2, 110090332), (4, 55045166), (8, 27522583), (11, 20016424), (19, 11588456), (22, 10008212), (38, 5794228), (44, 5004106), (76, 2897114), (88, 2502053), (152, 1448557), (209, 1053496), (418, 526748), (836, 263374), (1672, 131687)]