20938276992

素因数分解:

$2^7\times 3^1\times {\mathrm{2971}}^1\times {\mathrm{18353}}^1$

素因数の和:21341

約数の個数: 64

約数和(自身を含む): 55639049760

約数和(自身を除く): 34700772768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 2971, 5942, 8913, 11884, 17826, 18353, 23768, 35652, 36706, 47536, 55059, 71304, 73412, 95072, 110118, 142608, 146824, 190144, 220236, 285216, 293648, 380288, 440472, 570432, 587296, 880944, 1140864, 1174592, 1761888, 2349184, 3523776, 7047552, 54526763, 109053526, 163580289, 218107052, 327160578, 436214104, 654321156, 872428208, 1308642312, 1744856416, 2617284624, 3489712832, 5234569248, 6979425664, 10469138496, 20938276992]

約数ペア:

[(1, 20938276992), (2, 10469138496), (3, 6979425664), (4, 5234569248), (6, 3489712832), (8, 2617284624), (12, 1744856416), (16, 1308642312), (24, 872428208), (32, 654321156), (48, 436214104), (64, 327160578), (96, 218107052), (128, 163580289), (192, 109053526), (384, 54526763), (2971, 7047552), (5942, 3523776), (8913, 2349184), (11884, 1761888), (17826, 1174592), (18353, 1140864), (23768, 880944), (35652, 587296), (36706, 570432), (47536, 440472), (55059, 380288), (71304, 293648), (73412, 285216), (95072, 220236), (110118, 190144), (142608, 146824)]