20313288

素因数分解:

$2^3\times 3^3\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 56880000

約数和(自身を除く): 36566712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 157, 216, 314, 471, 599, 628, 942, 1198, 1256, 1413, 1797, 1884, 2396, 2826, 3594, 3768, 4239, 4792, 5391, 5652, 7188, 8478, 10782, 11304, 14376, 16173, 16956, 21564, 32346, 33912, 43128, 64692, 94043, 129384, 188086, 282129, 376172, 564258, 752344, 846387, 1128516, 1692774, 2257032, 2539161, 3385548, 5078322, 6771096, 10156644, 20313288]

約数ペア:

[(1, 20313288), (2, 10156644), (3, 6771096), (4, 5078322), (6, 3385548), (8, 2539161), (9, 2257032), (12, 1692774), (18, 1128516), (24, 846387), (27, 752344), (36, 564258), (54, 376172), (72, 282129), (108, 188086), (157, 129384), (216, 94043), (314, 64692), (471, 43128), (599, 33912), (628, 32346), (942, 21564), (1198, 16956), (1256, 16173), (1413, 14376), (1797, 11304), (1884, 10782), (2396, 8478), (2826, 7188), (3594, 5652), (3768, 5391), (4239, 4792)]