20171803616

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{3301}}^1\times {\mathrm{4441}}^1$

素因数の和:7795

約数の個数: 48

約数和(自身を含む): 40658265648

約数和(自身を除く): 20486462032

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 3301, 4441, 6602, 8882, 13204, 17764, 26408, 35528, 52816, 71056, 105632, 141943, 142112, 190963, 283886, 381926, 567772, 763852, 1135544, 1527704, 2271088, 3055408, 4542176, 6110816, 14659741, 29319482, 58638964, 117277928, 234555856, 469111712, 630368863, 1260737726, 2521475452, 5042950904, 10085901808, 20171803616]

約数ペア:

[(1, 20171803616), (2, 10085901808), (4, 5042950904), (8, 2521475452), (16, 1260737726), (32, 630368863), (43, 469111712), (86, 234555856), (172, 117277928), (344, 58638964), (688, 29319482), (1376, 14659741), (3301, 6110816), (4441, 4542176), (6602, 3055408), (8882, 2271088), (13204, 1527704), (17764, 1135544), (26408, 763852), (35528, 567772), (52816, 381926), (71056, 283886), (105632, 190963), (141943, 142112)]