20216349

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 31107960

約数和(自身を除く): 10891611

約数列:

[1, 3, 9, 17, 51, 153, 229, 577, 687, 1731, 2061, 3893, 5193, 9809, 11679, 29427, 35037, 88281, 132133, 396399, 1189197, 2246261, 6738783, 20216349]

約数ペア:

[(1, 20216349), (3, 6738783), (9, 2246261), (17, 1189197), (51, 396399), (153, 132133), (229, 88281), (577, 35037), (687, 29427), (1731, 11679), (2061, 9809), (3893, 5193)]