20072704

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:986

約数の個数: 36

約数和(自身を含む): 40563180

約数和(自身を除く): 20490476

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 881, 1424, 1762, 2848, 3524, 5696, 7048, 11392, 14096, 22784, 28192, 56384, 78409, 112768, 156818, 225536, 313636, 627272, 1254544, 2509088, 5018176, 10036352, 20072704]

約数ペア:

[(1, 20072704), (2, 10036352), (4, 5018176), (8, 2509088), (16, 1254544), (32, 627272), (64, 313636), (89, 225536), (128, 156818), (178, 112768), (256, 78409), (356, 56384), (712, 28192), (881, 22784), (1424, 14096), (1762, 11392), (2848, 7048), (3524, 5696)]