20466090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9887}}^1$

素因数の和:9923

約数の個数: 48

約数和(自身を含む): 55531008

約数和(自身を除く): 35064918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9887, 19774, 29661, 49435, 59322, 88983, 98870, 148305, 177966, 227401, 296610, 444915, 454802, 682203, 889830, 1137005, 1364406, 2046609, 2274010, 3411015, 4093218, 6822030, 10233045, 20466090]

約数ペア:

[(1, 20466090), (2, 10233045), (3, 6822030), (5, 4093218), (6, 3411015), (9, 2274010), (10, 2046609), (15, 1364406), (18, 1137005), (23, 889830), (30, 682203), (45, 454802), (46, 444915), (69, 296610), (90, 227401), (115, 177966), (138, 148305), (207, 98870), (230, 88983), (345, 59322), (414, 49435), (690, 29661), (1035, 19774), (2070, 9887)]