20277490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 38434176

約数和(自身を除く): 18156686

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 673, 1310, 1346, 3013, 3365, 6026, 6730, 15065, 15479, 30130, 30958, 77395, 88163, 154790, 176326, 440815, 881630, 2027749, 4055498, 10138745, 20277490]

約数ペア:

[(1, 20277490), (2, 10138745), (5, 4055498), (10, 2027749), (23, 881630), (46, 440815), (115, 176326), (131, 154790), (230, 88163), (262, 77395), (655, 30958), (673, 30130), (1310, 15479), (1346, 15065), (3013, 6730), (3365, 6026)]