20936740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 48807360

約数和(自身を除く): 27870620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1613, 2596, 3226, 3245, 6452, 6490, 8065, 12980, 16130, 17743, 32260, 35486, 70972, 88715, 95167, 177430, 190334, 354860, 380668, 475835, 951670, 1046837, 1903340, 2093674, 4187348, 5234185, 10468370, 20936740]

約数ペア:

[(1, 20936740), (2, 10468370), (4, 5234185), (5, 4187348), (10, 2093674), (11, 1903340), (20, 1046837), (22, 951670), (44, 475835), (55, 380668), (59, 354860), (110, 190334), (118, 177430), (220, 95167), (236, 88715), (295, 70972), (590, 35486), (649, 32260), (1180, 17743), (1298, 16130), (1613, 12980), (2596, 8065), (3226, 6490), (3245, 6452)]