20096990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17538850

約数列:

[1, 2, 5, 10, 31, 62, 155, 241, 269, 310, 482, 538, 1205, 1345, 2410, 2690, 7471, 8339, 14942, 16678, 37355, 41695, 64829, 74710, 83390, 129658, 324145, 648290, 2009699, 4019398, 10048495, 20096990]

約数ペア:

[(1, 20096990), (2, 10048495), (5, 4019398), (10, 2009699), (31, 648290), (62, 324145), (155, 129658), (241, 83390), (269, 74710), (310, 64829), (482, 41695), (538, 37355), (1205, 16678), (1345, 14942), (2410, 8339), (2690, 7471)]