20924416

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 44373420

約数和(自身を除く): 23449004

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 601, 1024, 1088, 1202, 2048, 2176, 2404, 4352, 4808, 8704, 9616, 10217, 17408, 19232, 20434, 34816, 38464, 40868, 76928, 81736, 153856, 163472, 307712, 326944, 615424, 653888, 1230848, 1307776, 2615552, 5231104, 10462208, 20924416]

約数ペア:

[(1, 20924416), (2, 10462208), (4, 5231104), (8, 2615552), (16, 1307776), (17, 1230848), (32, 653888), (34, 615424), (64, 326944), (68, 307712), (128, 163472), (136, 153856), (256, 81736), (272, 76928), (512, 40868), (544, 38464), (601, 34816), (1024, 20434), (1088, 19232), (1202, 17408), (2048, 10217), (2176, 9616), (2404, 8704), (4352, 4808)]