20547828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 60295872

約数和(自身を除く): 39748044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1206, 1217, 1407, 1876, 2412, 2434, 2814, 3651, 4221, 4868, 5628, 7302, 8442, 8519, 10953, 14604, 16884, 17038, 21906, 25557, 34076, 43812, 51114, 76671, 81539, 102228, 153342, 163078, 244617, 306684, 326156, 489234, 570773, 733851, 978468, 1141546, 1467702, 1712319, 2283092, 2935404, 3424638, 5136957, 6849276, 10273914, 20547828]

約数ペア:

[(1, 20547828), (2, 10273914), (3, 6849276), (4, 5136957), (6, 3424638), (7, 2935404), (9, 2283092), (12, 1712319), (14, 1467702), (18, 1141546), (21, 978468), (28, 733851), (36, 570773), (42, 489234), (63, 326156), (67, 306684), (84, 244617), (126, 163078), (134, 153342), (201, 102228), (252, 81539), (268, 76671), (402, 51114), (469, 43812), (603, 34076), (804, 25557), (938, 21906), (1206, 17038), (1217, 16884), (1407, 14604), (1876, 10953), (2412, 8519), (2434, 8442), (2814, 7302), (3651, 5628), (4221, 4868)]