20591488

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9463}}^1$

素因数の和:9494

約数の個数: 32

約数和(自身を含む): 43439760

約数和(自身を除く): 22848272

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9463, 18926, 37852, 75704, 151408, 160871, 302816, 321742, 605632, 643484, 1211264, 1286968, 2573936, 5147872, 10295744, 20591488]

約数ペア:

[(1, 20591488), (2, 10295744), (4, 5147872), (8, 2573936), (16, 1286968), (17, 1211264), (32, 643484), (34, 605632), (64, 321742), (68, 302816), (128, 160871), (136, 151408), (272, 75704), (544, 37852), (1088, 18926), (2176, 9463)]