20757352

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 50135040

約数和(自身を除く): 29377688

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1087, 1364, 1736, 2174, 2387, 2728, 4348, 4774, 7609, 8696, 9548, 11957, 15218, 19096, 23914, 30436, 33697, 47828, 60872, 67394, 83699, 95656, 134788, 167398, 235879, 269576, 334796, 370667, 471758, 669592, 741334, 943516, 1482668, 1887032, 2594669, 2965336, 5189338, 10378676, 20757352]

約数ペア:

[(1, 20757352), (2, 10378676), (4, 5189338), (7, 2965336), (8, 2594669), (11, 1887032), (14, 1482668), (22, 943516), (28, 741334), (31, 669592), (44, 471758), (56, 370667), (62, 334796), (77, 269576), (88, 235879), (124, 167398), (154, 134788), (217, 95656), (248, 83699), (308, 67394), (341, 60872), (434, 47828), (616, 33697), (682, 30436), (868, 23914), (1087, 19096), (1364, 15218), (1736, 11957), (2174, 9548), (2387, 8696), (2728, 7609), (4348, 4774)]