20504520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56957}}^1$

素因数の和:56974

約数の個数: 48

約数和(自身を含む): 66640860

約数和(自身を除く): 46136340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56957, 113914, 170871, 227828, 284785, 341742, 455656, 512613, 569570, 683484, 854355, 1025226, 1139140, 1366968, 1708710, 2050452, 2278280, 2563065, 3417420, 4100904, 5126130, 6834840, 10252260, 20504520]

約数ペア:

[(1, 20504520), (2, 10252260), (3, 6834840), (4, 5126130), (5, 4100904), (6, 3417420), (8, 2563065), (9, 2278280), (10, 2050452), (12, 1708710), (15, 1366968), (18, 1139140), (20, 1025226), (24, 854355), (30, 683484), (36, 569570), (40, 512613), (45, 455656), (60, 341742), (72, 284785), (90, 227828), (120, 170871), (180, 113914), (360, 56957)]