20384928

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1966

約数の個数: 72

約数和(自身を含む): 59567508

約数和(自身を除く): 39182580

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1913, 2664, 3552, 3826, 5328, 5739, 7652, 10656, 11478, 15304, 17217, 22956, 30608, 34434, 45912, 61216, 68868, 70781, 91824, 137736, 141562, 183648, 212343, 275472, 283124, 424686, 550944, 566248, 637029, 849372, 1132496, 1274058, 1698744, 2264992, 2548116, 3397488, 5096232, 6794976, 10192464, 20384928]

約数ペア:

[(1, 20384928), (2, 10192464), (3, 6794976), (4, 5096232), (6, 3397488), (8, 2548116), (9, 2264992), (12, 1698744), (16, 1274058), (18, 1132496), (24, 849372), (32, 637029), (36, 566248), (37, 550944), (48, 424686), (72, 283124), (74, 275472), (96, 212343), (111, 183648), (144, 141562), (148, 137736), (222, 91824), (288, 70781), (296, 68868), (333, 61216), (444, 45912), (592, 34434), (666, 30608), (888, 22956), (1184, 17217), (1332, 15304), (1776, 11478), (1913, 10656), (2664, 7652), (3552, 5739), (3826, 5328)]