20032156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 39060000

約数和(自身を除く): 19027844

約数列:

[1, 2, 4, 19, 29, 38, 58, 61, 76, 116, 122, 149, 244, 298, 551, 596, 1102, 1159, 1769, 2204, 2318, 2831, 3538, 4321, 4636, 5662, 7076, 8642, 9089, 11324, 17284, 18178, 33611, 36356, 67222, 82099, 134444, 164198, 172691, 263581, 328396, 345382, 527162, 690764, 1054324, 5008039, 10016078, 20032156]

約数ペア:

[(1, 20032156), (2, 10016078), (4, 5008039), (19, 1054324), (29, 690764), (38, 527162), (58, 345382), (61, 328396), (76, 263581), (116, 172691), (122, 164198), (149, 134444), (244, 82099), (298, 67222), (551, 36356), (596, 33611), (1102, 18178), (1159, 17284), (1769, 11324), (2204, 9089), (2318, 8642), (2831, 7076), (3538, 5662), (4321, 4636)]