20135133904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1\times {\mathrm{1237}}^1$

素因数の和:1748

約数の個数: 80

約数和(自身を含む): 40729803840

約数和(自身を除く): 20594669936

約数列:

[1, 2, 4, 8, 16, 43, 59, 86, 118, 172, 236, 344, 401, 472, 688, 802, 944, 1237, 1604, 2474, 2537, 3208, 4948, 5074, 6416, 9896, 10148, 17243, 19792, 20296, 23659, 34486, 40592, 47318, 53191, 68972, 72983, 94636, 106382, 137944, 145966, 189272, 212764, 275888, 291932, 378544, 425528, 496037, 583864, 851056, 992074, 1017337, 1167728, 1984148, 2034674, 3138269, 3968296, 4069348, 6276538, 7936592, 8138696, 12553076, 16277392, 21329591, 25106152, 29266183, 42659182, 50212304, 58532366, 85318364, 117064732, 170636728, 234129464, 341273456, 468258928, 1258445869, 2516891738, 5033783476, 10067566952, 20135133904]

約数ペア:

[(1, 20135133904), (2, 10067566952), (4, 5033783476), (8, 2516891738), (16, 1258445869), (43, 468258928), (59, 341273456), (86, 234129464), (118, 170636728), (172, 117064732), (236, 85318364), (344, 58532366), (401, 50212304), (472, 42659182), (688, 29266183), (802, 25106152), (944, 21329591), (1237, 16277392), (1604, 12553076), (2474, 8138696), (2537, 7936592), (3208, 6276538), (4948, 4069348), (5074, 3968296), (6416, 3138269), (9896, 2034674), (10148, 1984148), (17243, 1167728), (19792, 1017337), (20296, 992074), (23659, 851056), (34486, 583864), (40592, 496037), (47318, 425528), (53191, 378544), (68972, 291932), (72983, 275888), (94636, 212764), (106382, 189272), (137944, 145966)]