20566700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2671}}^1$

素因数の和:2703

約数の個数: 72

約数和(自身を含む): 55663104

約数和(自身を除く): 35096404

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2671, 3850, 5342, 7700, 10684, 13355, 18697, 26710, 29381, 37394, 53420, 58762, 66775, 74788, 93485, 117524, 133550, 146905, 186970, 205667, 267100, 293810, 373940, 411334, 467425, 587620, 734525, 822668, 934850, 1028335, 1469050, 1869700, 2056670, 2938100, 4113340, 5141675, 10283350, 20566700]

約数ペア:

[(1, 20566700), (2, 10283350), (4, 5141675), (5, 4113340), (7, 2938100), (10, 2056670), (11, 1869700), (14, 1469050), (20, 1028335), (22, 934850), (25, 822668), (28, 734525), (35, 587620), (44, 467425), (50, 411334), (55, 373940), (70, 293810), (77, 267100), (100, 205667), (110, 186970), (140, 146905), (154, 133550), (175, 117524), (220, 93485), (275, 74788), (308, 66775), (350, 58762), (385, 53420), (550, 37394), (700, 29381), (770, 26710), (1100, 18697), (1540, 13355), (1925, 10684), (2671, 7700), (3850, 5342)]