20101878

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10061}}^1$

素因数の和:10109

約数の個数: 32

約数和(自身を含む): 45882720

約数和(自身を除く): 25780842

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10061, 20122, 30183, 60366, 90549, 181098, 271647, 372257, 543294, 744514, 1116771, 2233542, 3350313, 6700626, 10050939, 20101878]

約数ペア:

[(1, 20101878), (2, 10050939), (3, 6700626), (6, 3350313), (9, 2233542), (18, 1116771), (27, 744514), (37, 543294), (54, 372257), (74, 271647), (111, 181098), (222, 90549), (333, 60366), (666, 30183), (999, 20122), (1998, 10061)]