20738504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21770296

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4919, 9838, 19676, 39352, 83623, 152489, 167246, 304978, 334492, 609956, 668984, 1219912, 2592313, 5184626, 10369252, 20738504]

約数ペア:

[(1, 20738504), (2, 10369252), (4, 5184626), (8, 2592313), (17, 1219912), (31, 668984), (34, 609956), (62, 334492), (68, 304978), (124, 167246), (136, 152489), (248, 83623), (527, 39352), (1054, 19676), (2108, 9838), (4216, 4919)]