20492714879

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{7459}}^1$

素因数の和:7732

約数の個数: 48

約数和(自身を含む): 27146044800

約数和(自身を除く): 6653329921

約数列:

[1, 7, 13, 19, 49, 91, 133, 227, 247, 637, 931, 1589, 1729, 2951, 4313, 7459, 11123, 12103, 20657, 30191, 52213, 56069, 96967, 141721, 144599, 211337, 365491, 392483, 678769, 992047, 1693193, 1842373, 2747381, 4751383, 6944329, 11852351, 12896611, 22011509, 32170667, 82966457, 90276277, 154080563, 225194669, 418218671, 1078563941, 1576362683, 2927530697, 20492714879]

約数ペア:

[(1, 20492714879), (7, 2927530697), (13, 1576362683), (19, 1078563941), (49, 418218671), (91, 225194669), (133, 154080563), (227, 90276277), (247, 82966457), (637, 32170667), (931, 22011509), (1589, 12896611), (1729, 11852351), (2951, 6944329), (4313, 4751383), (7459, 2747381), (11123, 1842373), (12103, 1693193), (20657, 992047), (30191, 678769), (52213, 392483), (56069, 365491), (96967, 211337), (141721, 144599)]