20005978672672

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{18431759}}^1$

素因数の和:18432193

約数の個数: 48

約数和(自身を含む): 39880283022720

約数和(自身を除く): 19874304350048

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 317, 428, 634, 856, 1268, 1712, 2536, 3424, 5072, 10144, 33919, 67838, 135676, 271352, 542704, 1085408, 18431759, 36863518, 73727036, 147454072, 294908144, 589816288, 1972198213, 3944396426, 5842867603, 7888792852, 11685735206, 15777585704, 23371470412, 31555171408, 46742940824, 63110342816, 93485881648, 186971763296, 625186833521, 1250373667042, 2500747334084, 5001494668168, 10002989336336, 20005978672672]

約数ペア:

[(1, 20005978672672), (2, 10002989336336), (4, 5001494668168), (8, 2500747334084), (16, 1250373667042), (32, 625186833521), (107, 186971763296), (214, 93485881648), (317, 63110342816), (428, 46742940824), (634, 31555171408), (856, 23371470412), (1268, 15777585704), (1712, 11685735206), (2536, 7888792852), (3424, 5842867603), (5072, 3944396426), (10144, 1972198213), (33919, 589816288), (67838, 294908144), (135676, 147454072), (271352, 73727036), (542704, 36863518), (1085408, 18431759)]