20705932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 21418388

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 397, 442, 767, 794, 884, 1003, 1534, 1588, 2006, 3068, 4012, 5161, 6749, 10322, 13039, 13498, 20644, 23423, 26078, 26996, 46846, 52156, 87737, 93692, 175474, 304499, 350948, 398191, 608998, 796382, 1217996, 1592764, 5176483, 10352966, 20705932]

約数ペア:

[(1, 20705932), (2, 10352966), (4, 5176483), (13, 1592764), (17, 1217996), (26, 796382), (34, 608998), (52, 398191), (59, 350948), (68, 304499), (118, 175474), (221, 93692), (236, 87737), (397, 52156), (442, 46846), (767, 26996), (794, 26078), (884, 23423), (1003, 20644), (1534, 13498), (1588, 13039), (2006, 10322), (3068, 6749), (4012, 5161)]