20707584

素因数分解:

$2^8\times 3^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 56169120

約数和(自身を除く): 35461536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 59, 64, 96, 118, 128, 177, 192, 236, 256, 354, 384, 457, 472, 708, 768, 914, 944, 1371, 1416, 1828, 1888, 2742, 2832, 3656, 3776, 5484, 5664, 7312, 7552, 10968, 11328, 14624, 15104, 21936, 22656, 26963, 29248, 43872, 45312, 53926, 58496, 80889, 87744, 107852, 116992, 161778, 175488, 215704, 323556, 350976, 431408, 647112, 862816, 1294224, 1725632, 2588448, 3451264, 5176896, 6902528, 10353792, 20707584]

約数ペア:

[(1, 20707584), (2, 10353792), (3, 6902528), (4, 5176896), (6, 3451264), (8, 2588448), (12, 1725632), (16, 1294224), (24, 862816), (32, 647112), (48, 431408), (59, 350976), (64, 323556), (96, 215704), (118, 175488), (128, 161778), (177, 116992), (192, 107852), (236, 87744), (256, 80889), (354, 58496), (384, 53926), (457, 45312), (472, 43872), (708, 29248), (768, 26963), (914, 22656), (944, 21936), (1371, 15104), (1416, 14624), (1828, 11328), (1888, 10968), (2742, 7552), (2832, 7312), (3656, 5664), (3776, 5484)]