20661690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98389}}^1$

素因数の和:98406

約数の個数: 32

約数和(自身を含む): 56672640

約数和(自身を除く): 36010950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98389, 196778, 295167, 491945, 590334, 688723, 983890, 1377446, 1475835, 2066169, 2951670, 3443615, 4132338, 6887230, 10330845, 20661690]

約数ペア:

[(1, 20661690), (2, 10330845), (3, 6887230), (5, 4132338), (6, 3443615), (7, 2951670), (10, 2066169), (14, 1475835), (15, 1377446), (21, 983890), (30, 688723), (35, 590334), (42, 491945), (70, 295167), (105, 196778), (210, 98389)]