20539230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 55171584

約数和(自身を除く): 34632354

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 103, 115, 138, 170, 206, 230, 255, 289, 309, 345, 391, 510, 515, 578, 618, 690, 782, 867, 1030, 1173, 1445, 1545, 1734, 1751, 1955, 2346, 2369, 2890, 3090, 3502, 3910, 4335, 4738, 5253, 5865, 6647, 7107, 8670, 8755, 10506, 11730, 11845, 13294, 14214, 17510, 19941, 23690, 26265, 29767, 33235, 35535, 39882, 40273, 52530, 59534, 66470, 71070, 80546, 89301, 99705, 120819, 148835, 178602, 199410, 201365, 241638, 297670, 402730, 446505, 604095, 684641, 893010, 1208190, 1369282, 2053923, 3423205, 4107846, 6846410, 10269615, 20539230]

約数ペア:

[(1, 20539230), (2, 10269615), (3, 6846410), (5, 4107846), (6, 3423205), (10, 2053923), (15, 1369282), (17, 1208190), (23, 893010), (30, 684641), (34, 604095), (46, 446505), (51, 402730), (69, 297670), (85, 241638), (102, 201365), (103, 199410), (115, 178602), (138, 148835), (170, 120819), (206, 99705), (230, 89301), (255, 80546), (289, 71070), (309, 66470), (345, 59534), (391, 52530), (510, 40273), (515, 39882), (578, 35535), (618, 33235), (690, 29767), (782, 26265), (867, 23690), (1030, 19941), (1173, 17510), (1445, 14214), (1545, 13294), (1734, 11845), (1751, 11730), (1955, 10506), (2346, 8755), (2369, 8670), (2890, 7107), (3090, 6647), (3502, 5865), (3910, 5253), (4335, 4738)]