20554428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5303}}^1$

素因数の和:5346

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 32909892

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5303, 10606, 15909, 21212, 31818, 63636, 90151, 100757, 180302, 201514, 270453, 302271, 360604, 403028, 540906, 604542, 1081812, 1209084, 1712869, 3425738, 5138607, 6851476, 10277214, 20554428]

約数ペア:

[(1, 20554428), (2, 10277214), (3, 6851476), (4, 5138607), (6, 3425738), (12, 1712869), (17, 1209084), (19, 1081812), (34, 604542), (38, 540906), (51, 403028), (57, 360604), (68, 302271), (76, 270453), (102, 201514), (114, 180302), (204, 100757), (228, 90151), (323, 63636), (646, 31818), (969, 21212), (1292, 15909), (1938, 10606), (3876, 5303)]