20139628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 19535252

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 79, 92, 158, 163, 316, 326, 391, 652, 782, 1343, 1564, 1817, 2686, 2771, 3634, 3749, 5372, 5542, 7268, 7498, 11084, 12877, 14996, 25754, 30889, 51508, 61778, 63733, 123556, 127466, 218909, 254932, 296171, 437818, 592342, 875636, 1184684, 5034907, 10069814, 20139628]

約数ペア:

[(1, 20139628), (2, 10069814), (4, 5034907), (17, 1184684), (23, 875636), (34, 592342), (46, 437818), (68, 296171), (79, 254932), (92, 218909), (158, 127466), (163, 123556), (316, 63733), (326, 61778), (391, 51508), (652, 30889), (782, 25754), (1343, 14996), (1564, 12877), (1817, 11084), (2686, 7498), (2771, 7268), (3634, 5542), (3749, 5372)]