20923620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1447}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 58869888

約数和(自身を除く): 37946268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1446, 1447, 2410, 2892, 2894, 3615, 4341, 4820, 5788, 7230, 7235, 8682, 14460, 14470, 17364, 21705, 28940, 43410, 86820, 348727, 697454, 1046181, 1394908, 1743635, 2092362, 3487270, 4184724, 5230905, 6974540, 10461810, 20923620]

約数ペア:

[(1, 20923620), (2, 10461810), (3, 6974540), (4, 5230905), (5, 4184724), (6, 3487270), (10, 2092362), (12, 1743635), (15, 1394908), (20, 1046181), (30, 697454), (60, 348727), (241, 86820), (482, 43410), (723, 28940), (964, 21705), (1205, 17364), (1446, 14470), (1447, 14460), (2410, 8682), (2892, 7235), (2894, 7230), (3615, 5788), (4341, 4820)]