20018016

素因数分解:

$2^5\times 3^4\times {\mathrm{7723}}^1$

素因数の和:7745

約数の個数: 60

約数和(自身を含む): 58880052

約数和(自身を除く): 38862036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 7723, 15446, 23169, 30892, 46338, 61784, 69507, 92676, 123568, 139014, 185352, 208521, 247136, 278028, 370704, 417042, 556056, 625563, 741408, 834084, 1112112, 1251126, 1668168, 2224224, 2502252, 3336336, 5004504, 6672672, 10009008, 20018016]

約数ペア:

[(1, 20018016), (2, 10009008), (3, 6672672), (4, 5004504), (6, 3336336), (8, 2502252), (9, 2224224), (12, 1668168), (16, 1251126), (18, 1112112), (24, 834084), (27, 741408), (32, 625563), (36, 556056), (48, 417042), (54, 370704), (72, 278028), (81, 247136), (96, 208521), (108, 185352), (144, 139014), (162, 123568), (216, 92676), (288, 69507), (324, 61784), (432, 46338), (648, 30892), (864, 23169), (1296, 15446), (2592, 7723)]