20223397640

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{467}}^1\times {\mathrm{2647}}^1$

素因数の和:3534

約数の個数: 64

約数和(自身を含む): 45728841600

約数和(自身を除く): 25505443960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 467, 818, 934, 1636, 1868, 2045, 2335, 2647, 3272, 3736, 4090, 4670, 5294, 8180, 9340, 10588, 13235, 16360, 18680, 21176, 26470, 52940, 105880, 191003, 382006, 764012, 955015, 1082623, 1236149, 1528024, 1910030, 2165246, 2472298, 3820060, 4330492, 4944596, 5413115, 6180745, 7640120, 8660984, 9889192, 10826230, 12361490, 21652460, 24722980, 43304920, 49445960, 505584941, 1011169882, 2022339764, 2527924705, 4044679528, 5055849410, 10111698820, 20223397640]

約数ペア:

[(1, 20223397640), (2, 10111698820), (4, 5055849410), (5, 4044679528), (8, 2527924705), (10, 2022339764), (20, 1011169882), (40, 505584941), (409, 49445960), (467, 43304920), (818, 24722980), (934, 21652460), (1636, 12361490), (1868, 10826230), (2045, 9889192), (2335, 8660984), (2647, 7640120), (3272, 6180745), (3736, 5413115), (4090, 4944596), (4670, 4330492), (5294, 3820060), (8180, 2472298), (9340, 2165246), (10588, 1910030), (13235, 1528024), (16360, 1236149), (18680, 1082623), (21176, 955015), (26470, 764012), (52940, 382006), (105880, 191003)]