20029728

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{5639}}^1$

素因数の和:5689

約数の個数: 48

約数和(自身を含む): 54008640

約数和(自身を除く): 33978912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1776, 3552, 5639, 11278, 16917, 22556, 33834, 45112, 67668, 90224, 135336, 180448, 208643, 270672, 417286, 541344, 625929, 834572, 1251858, 1669144, 2503716, 3338288, 5007432, 6676576, 10014864, 20029728]

約数ペア:

[(1, 20029728), (2, 10014864), (3, 6676576), (4, 5007432), (6, 3338288), (8, 2503716), (12, 1669144), (16, 1251858), (24, 834572), (32, 625929), (37, 541344), (48, 417286), (74, 270672), (96, 208643), (111, 180448), (148, 135336), (222, 90224), (296, 67668), (444, 45112), (592, 33834), (888, 22556), (1184, 16917), (1776, 11278), (3552, 5639)]