20501864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 20555416

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 1187, 2159, 2374, 4318, 4748, 8636, 9496, 17272, 20179, 40358, 80716, 150749, 161432, 301498, 602996, 1205992, 2562733, 5125466, 10250932, 20501864]

約数ペア:

[(1, 20501864), (2, 10250932), (4, 5125466), (8, 2562733), (17, 1205992), (34, 602996), (68, 301498), (127, 161432), (136, 150749), (254, 80716), (508, 40358), (1016, 20179), (1187, 17272), (2159, 9496), (2374, 8636), (4318, 4748)]