20407392

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1201}}^1$

素因数の和:1276

約数の個数: 72

約数和(自身を含む): 59066280

約数和(自身を除く): 38658888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1201, 1416, 1888, 2124, 2402, 2832, 3603, 4248, 4804, 5664, 7206, 8496, 9608, 10809, 14412, 16992, 19216, 21618, 28824, 38432, 43236, 57648, 70859, 86472, 115296, 141718, 172944, 212577, 283436, 345888, 425154, 566872, 637731, 850308, 1133744, 1275462, 1700616, 2267488, 2550924, 3401232, 5101848, 6802464, 10203696, 20407392]

約数ペア:

[(1, 20407392), (2, 10203696), (3, 6802464), (4, 5101848), (6, 3401232), (8, 2550924), (9, 2267488), (12, 1700616), (16, 1275462), (18, 1133744), (24, 850308), (32, 637731), (36, 566872), (48, 425154), (59, 345888), (72, 283436), (96, 212577), (118, 172944), (144, 141718), (177, 115296), (236, 86472), (288, 70859), (354, 57648), (472, 43236), (531, 38432), (708, 28824), (944, 21618), (1062, 19216), (1201, 16992), (1416, 14412), (1888, 10809), (2124, 9608), (2402, 8496), (2832, 7206), (3603, 5664), (4248, 4804)]