20067883985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 26521012224

約数和(自身を除く): 6453128239

約数列:

[1, 5, 23, 41, 47, 115, 137, 205, 235, 661, 685, 943, 1081, 1927, 3151, 3305, 4715, 5405, 5617, 6439, 9635, 15203, 15755, 27101, 28085, 31067, 32195, 44321, 76015, 90557, 129191, 135505, 148097, 155335, 221605, 263999, 452785, 623323, 645955, 714541, 740485, 1273747, 1319995, 2082811, 3116615, 3572705, 3712837, 4256179, 6071977, 6368735, 10414055, 18564185, 21280895, 29296181, 30359885, 85395251, 97892117, 146480905, 174503339, 426976255, 489460585, 872516695, 4013576797, 20067883985]

約数ペア:

[(1, 20067883985), (5, 4013576797), (23, 872516695), (41, 489460585), (47, 426976255), (115, 174503339), (137, 146480905), (205, 97892117), (235, 85395251), (661, 30359885), (685, 29296181), (943, 21280895), (1081, 18564185), (1927, 10414055), (3151, 6368735), (3305, 6071977), (4715, 4256179), (5405, 3712837), (5617, 3572705), (6439, 3116615), (9635, 2082811), (15203, 1319995), (15755, 1273747), (27101, 740485), (28085, 714541), (31067, 645955), (32195, 623323), (44321, 452785), (76015, 263999), (90557, 221605), (129191, 155335), (135505, 148097)]