20669004

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6451}}^1$

素因数の和:6550

約数の個数: 36

約数和(自身を含む): 52841880

約数和(自身を除く): 32172876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6451, 12902, 19353, 25804, 38706, 58059, 77412, 116118, 232236, 574139, 1148278, 1722417, 2296556, 3444834, 5167251, 6889668, 10334502, 20669004]

約数ペア:

[(1, 20669004), (2, 10334502), (3, 6889668), (4, 5167251), (6, 3444834), (9, 2296556), (12, 1722417), (18, 1148278), (36, 574139), (89, 232236), (178, 116118), (267, 77412), (356, 58059), (534, 38706), (801, 25804), (1068, 19353), (1602, 12902), (3204, 6451)]