20154946

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 36764928

約数和(自身を除く): 16609982

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1181, 1219, 2362, 2438, 8267, 8533, 16534, 17066, 27163, 54326, 62593, 125186, 190141, 380282, 438151, 876302, 1439639, 2879278, 10077473, 20154946]

約数ペア:

[(1, 20154946), (2, 10077473), (7, 2879278), (14, 1439639), (23, 876302), (46, 438151), (53, 380282), (106, 190141), (161, 125186), (322, 62593), (371, 54326), (742, 27163), (1181, 17066), (1219, 16534), (2362, 8533), (2438, 8267)]