20804726901

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 32732356608

約数和(自身を除く): 11927629707

約数列:

[1, 3, 7, 21, 53, 159, 167, 173, 371, 501, 519, 647, 1113, 1169, 1211, 1941, 3507, 3633, 4529, 8851, 9169, 13587, 26553, 27507, 28891, 34291, 61957, 64183, 86673, 102873, 108049, 111931, 185871, 192549, 202237, 240037, 324147, 335793, 606711, 720111, 756343, 783517, 1531223, 2269029, 2350551, 4593669, 5726597, 5932343, 10718561, 17179791, 17797029, 18692477, 32155683, 40086179, 41526401, 56077431, 120258537, 124579203, 130847339, 392542017, 990701281, 2972103843, 6934908967, 20804726901]

約数ペア:

[(1, 20804726901), (3, 6934908967), (7, 2972103843), (21, 990701281), (53, 392542017), (159, 130847339), (167, 124579203), (173, 120258537), (371, 56077431), (501, 41526401), (519, 40086179), (647, 32155683), (1113, 18692477), (1169, 17797029), (1211, 17179791), (1941, 10718561), (3507, 5932343), (3633, 5726597), (4529, 4593669), (8851, 2350551), (9169, 2269029), (13587, 1531223), (26553, 783517), (27507, 756343), (28891, 720111), (34291, 606711), (61957, 335793), (64183, 324147), (86673, 240037), (102873, 202237), (108049, 192549), (111931, 185871)]