20406442

素因数分解:

$2^1\times 7^3\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15708758

約数列:

[1, 2, 7, 14, 49, 98, 151, 197, 302, 343, 394, 686, 1057, 1379, 2114, 2758, 7399, 9653, 14798, 19306, 29747, 51793, 59494, 67571, 103586, 135142, 208229, 416458, 1457603, 2915206, 10203221, 20406442]

約数ペア:

[(1, 20406442), (2, 10203221), (7, 2915206), (14, 1457603), (49, 416458), (98, 208229), (151, 135142), (197, 103586), (302, 67571), (343, 59494), (394, 51793), (686, 29747), (1057, 19306), (1379, 14798), (2114, 9653), (2758, 7399)]