20123462416

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{2447}}^1\times {\mathrm{2971}}^1$

素因数の和:5599

約数の個数: 40

約数和(自身を含む): 39243809664

約数和(自身を除く): 19120347248

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2447, 2768, 2971, 4894, 5942, 9788, 11884, 19576, 23768, 39152, 47536, 423331, 513983, 846662, 1027966, 1693324, 2055932, 3386648, 4111864, 6773296, 7270037, 8223728, 14540074, 29080148, 58160296, 116320592, 1257716401, 2515432802, 5030865604, 10061731208, 20123462416]

約数ペア:

[(1, 20123462416), (2, 10061731208), (4, 5030865604), (8, 2515432802), (16, 1257716401), (173, 116320592), (346, 58160296), (692, 29080148), (1384, 14540074), (2447, 8223728), (2768, 7270037), (2971, 6773296), (4894, 4111864), (5942, 3386648), (9788, 2055932), (11884, 1693324), (19576, 1027966), (23768, 846662), (39152, 513983), (47536, 423331)]