20731248

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1351

約数の個数: 80

約数和(自身を含む): 61161760

約数和(自身を除く): 40430512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1297, 1332, 1776, 1998, 2594, 2664, 3891, 3996, 5188, 5328, 7782, 7992, 10376, 11673, 15564, 15984, 20752, 23346, 31128, 35019, 46692, 47989, 62256, 70038, 93384, 95978, 140076, 143967, 186768, 191956, 280152, 287934, 383912, 431901, 560304, 575868, 767824, 863802, 1151736, 1295703, 1727604, 2303472, 2591406, 3455208, 5182812, 6910416, 10365624, 20731248]

約数ペア:

[(1, 20731248), (2, 10365624), (3, 6910416), (4, 5182812), (6, 3455208), (8, 2591406), (9, 2303472), (12, 1727604), (16, 1295703), (18, 1151736), (24, 863802), (27, 767824), (36, 575868), (37, 560304), (48, 431901), (54, 383912), (72, 287934), (74, 280152), (108, 191956), (111, 186768), (144, 143967), (148, 140076), (216, 95978), (222, 93384), (296, 70038), (333, 62256), (432, 47989), (444, 46692), (592, 35019), (666, 31128), (888, 23346), (999, 20752), (1297, 15984), (1332, 15564), (1776, 11673), (1998, 10376), (2594, 7992), (2664, 7782), (3891, 5328), (3996, 5188)]