20147210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3823}}^1$

素因数の和:3878

約数の個数: 32

約数和(自身を含む): 39647232

約数和(自身を除く): 19500022

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3823, 5270, 7646, 19115, 38230, 64991, 118513, 129982, 237026, 324955, 592565, 649910, 1185130, 2014721, 4029442, 10073605, 20147210]

約数ペア:

[(1, 20147210), (2, 10073605), (5, 4029442), (10, 2014721), (17, 1185130), (31, 649910), (34, 592565), (62, 324955), (85, 237026), (155, 129982), (170, 118513), (310, 64991), (527, 38230), (1054, 19115), (2635, 7646), (3823, 5270)]