20923872

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12821}}^1$

素因数の和:12851

約数の個数: 48

約数和(自身を含む): 58160592

約数和(自身を除く): 37236720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12821, 25642, 38463, 51284, 76926, 102568, 153852, 205136, 217957, 307704, 410272, 435914, 615408, 653871, 871828, 1230816, 1307742, 1743656, 2615484, 3487312, 5230968, 6974624, 10461936, 20923872]

約数ペア:

[(1, 20923872), (2, 10461936), (3, 6974624), (4, 5230968), (6, 3487312), (8, 2615484), (12, 1743656), (16, 1307742), (17, 1230816), (24, 871828), (32, 653871), (34, 615408), (48, 435914), (51, 410272), (68, 307704), (96, 217957), (102, 205136), (136, 153852), (204, 102568), (272, 76926), (408, 51284), (544, 38463), (816, 25642), (1632, 12821)]