20907930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9547}}^1$

素因数の和:9630

約数の個数: 32

約数和(自身を含む): 50871744

約数和(自身を除く): 29963814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9547, 19094, 28641, 47735, 57282, 95470, 143205, 286410, 696931, 1393862, 2090793, 3484655, 4181586, 6969310, 10453965, 20907930]

約数ペア:

[(1, 20907930), (2, 10453965), (3, 6969310), (5, 4181586), (6, 3484655), (10, 2090793), (15, 1393862), (30, 696931), (73, 286410), (146, 143205), (219, 95470), (365, 57282), (438, 47735), (730, 28641), (1095, 19094), (2190, 9547)]