20454768

素因数分解:

$2^4\times 3^5\times {\mathrm{5261}}^1$

素因数の和:5284

約数の個数: 60

約数和(自身を含む): 59376408

約数和(自身を除く): 38921640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5261, 10522, 15783, 21044, 31566, 42088, 47349, 63132, 84176, 94698, 126264, 142047, 189396, 252528, 284094, 378792, 426141, 568188, 757584, 852282, 1136376, 1278423, 1704564, 2272752, 2556846, 3409128, 5113692, 6818256, 10227384, 20454768]

約数ペア:

[(1, 20454768), (2, 10227384), (3, 6818256), (4, 5113692), (6, 3409128), (8, 2556846), (9, 2272752), (12, 1704564), (16, 1278423), (18, 1136376), (24, 852282), (27, 757584), (36, 568188), (48, 426141), (54, 378792), (72, 284094), (81, 252528), (108, 189396), (144, 142047), (162, 126264), (216, 94698), (243, 84176), (324, 63132), (432, 47349), (486, 42088), (648, 31566), (972, 21044), (1296, 15783), (1944, 10522), (3888, 5261)]