20128490109

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{3463}}^1$

素因数の和:3687

約数の個数: 96

約数和(自身を含む): 36797988864

約数和(自身を除く): 16669498755

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 151, 273, 329, 423, 453, 611, 819, 987, 1057, 1359, 1833, 1963, 2961, 3171, 3463, 4277, 5499, 5889, 7097, 9513, 10389, 12831, 13741, 17667, 21291, 24241, 31167, 38493, 41223, 45019, 49679, 63873, 72723, 92261, 123669, 135057, 149037, 162761, 218169, 276783, 315133, 405171, 447111, 488283, 522913, 645827, 830349, 945399, 1139327, 1464849, 1568739, 1937481, 2115893, 2836197, 3417981, 3660391, 4706217, 5812443, 6347679, 6797869, 10253943, 10981173, 14811251, 19043037, 20393607, 24576911, 32943519, 44433753, 47585083, 61180821, 73730733, 133301259, 142755249, 172038377, 221192199, 319499843, 428265747, 516115131, 958499529, 1548345393, 2236498901, 2875498587, 6709496703, 20128490109]

約数ペア:

[(1, 20128490109), (3, 6709496703), (7, 2875498587), (9, 2236498901), (13, 1548345393), (21, 958499529), (39, 516115131), (47, 428265747), (63, 319499843), (91, 221192199), (117, 172038377), (141, 142755249), (151, 133301259), (273, 73730733), (329, 61180821), (423, 47585083), (453, 44433753), (611, 32943519), (819, 24576911), (987, 20393607), (1057, 19043037), (1359, 14811251), (1833, 10981173), (1963, 10253943), (2961, 6797869), (3171, 6347679), (3463, 5812443), (4277, 4706217), (5499, 3660391), (5889, 3417981), (7097, 2836197), (9513, 2115893), (10389, 1937481), (12831, 1568739), (13741, 1464849), (17667, 1139327), (21291, 945399), (24241, 830349), (31167, 645827), (38493, 522913), (41223, 488283), (45019, 447111), (49679, 405171), (63873, 315133), (72723, 276783), (92261, 218169), (123669, 162761), (135057, 149037)]