20512957569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1103}}^1\times {\mathrm{1697}}^1$

素因数の和:3097

約数の個数: 32

約数和(自身を含む): 29603556864

約数和(自身を除く): 9090599295

約数列:

[1, 3, 13, 39, 281, 843, 1103, 1697, 3309, 3653, 5091, 10959, 14339, 22061, 43017, 66183, 309943, 476857, 929829, 1430571, 1871791, 4029259, 5615373, 6199141, 12087777, 18597423, 24333283, 72999849, 525973271, 1577919813, 6837652523, 20512957569]

約数ペア:

[(1, 20512957569), (3, 6837652523), (13, 1577919813), (39, 525973271), (281, 72999849), (843, 24333283), (1103, 18597423), (1697, 12087777), (3309, 6199141), (3653, 5615373), (5091, 4029259), (10959, 1871791), (14339, 1430571), (22061, 929829), (43017, 476857), (66183, 309943)]