20804910705

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{1093}}^1$

素因数の和:1527

約数の個数: 96

約数和(自身を含む): 38485414656

約数和(自身を除く): 17680503951

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 347, 477, 795, 1035, 1041, 1093, 1219, 1735, 2385, 3123, 3279, 3657, 5205, 5465, 6095, 7981, 9837, 10971, 15615, 16395, 18285, 18391, 23943, 25139, 39905, 49185, 54855, 55173, 57929, 71829, 75417, 91955, 119715, 125695, 165519, 173787, 226251, 275865, 289645, 359145, 377085, 379271, 422993, 521361, 827595, 868935, 1131255, 1137813, 1268979, 1332367, 1896355, 2114965, 2606805, 3413439, 3806937, 3997101, 5689065, 6344895, 6661835, 8723233, 11991303, 17067195, 19034685, 19985505, 20101363, 26169699, 43616165, 59956515, 60304089, 78509097, 100506815, 130848495, 180912267, 301520445, 392545485, 462331349, 904561335, 1386994047, 2311656745, 4160982141, 6934970235, 20804910705]

約数ペア:

[(1, 20804910705), (3, 6934970235), (5, 4160982141), (9, 2311656745), (15, 1386994047), (23, 904561335), (45, 462331349), (53, 392545485), (69, 301520445), (115, 180912267), (159, 130848495), (207, 100506815), (265, 78509097), (345, 60304089), (347, 59956515), (477, 43616165), (795, 26169699), (1035, 20101363), (1041, 19985505), (1093, 19034685), (1219, 17067195), (1735, 11991303), (2385, 8723233), (3123, 6661835), (3279, 6344895), (3657, 5689065), (5205, 3997101), (5465, 3806937), (6095, 3413439), (7981, 2606805), (9837, 2114965), (10971, 1896355), (15615, 1332367), (16395, 1268979), (18285, 1137813), (18391, 1131255), (23943, 868935), (25139, 827595), (39905, 521361), (49185, 422993), (54855, 379271), (55173, 377085), (57929, 359145), (71829, 289645), (75417, 275865), (91955, 226251), (119715, 173787), (125695, 165519)]