20378172

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 50706432

約数和(自身を除く): 30328260

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 191, 204, 382, 523, 573, 764, 1046, 1146, 1569, 2092, 2292, 3138, 3247, 6276, 6494, 8891, 9741, 12988, 17782, 19482, 26673, 35564, 38964, 53346, 99893, 106692, 199786, 299679, 399572, 599358, 1198716, 1698181, 3396362, 5094543, 6792724, 10189086, 20378172]

約数ペア:

[(1, 20378172), (2, 10189086), (3, 6792724), (4, 5094543), (6, 3396362), (12, 1698181), (17, 1198716), (34, 599358), (51, 399572), (68, 299679), (102, 199786), (191, 106692), (204, 99893), (382, 53346), (523, 38964), (573, 35564), (764, 26673), (1046, 19482), (1146, 17782), (1569, 12988), (2092, 9741), (2292, 8891), (3138, 6494), (3247, 6276)]