20302210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 17944190

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 829, 1658, 2449, 4145, 4898, 8290, 12245, 24490, 25699, 51398, 65491, 128495, 130982, 256990, 327455, 654910, 2030221, 4060442, 10151105, 20302210]

約数ペア:

[(1, 20302210), (2, 10151105), (5, 4060442), (10, 2030221), (31, 654910), (62, 327455), (79, 256990), (155, 130982), (158, 128495), (310, 65491), (395, 51398), (790, 25699), (829, 24490), (1658, 12245), (2449, 8290), (4145, 4898)]