20929329

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 34117200

約数和(自身を除く): 13187871

約数列:

[1, 3, 9, 17, 29, 51, 53, 87, 89, 153, 159, 261, 267, 477, 493, 801, 901, 1479, 1513, 1537, 2581, 2703, 4437, 4539, 4611, 4717, 7743, 8109, 13617, 13833, 14151, 23229, 26129, 42453, 43877, 78387, 80189, 131631, 136793, 235161, 240567, 394893, 410379, 721701, 1231137, 2325481, 6976443, 20929329]

約数ペア:

[(1, 20929329), (3, 6976443), (9, 2325481), (17, 1231137), (29, 721701), (51, 410379), (53, 394893), (87, 240567), (89, 235161), (153, 136793), (159, 131631), (261, 80189), (267, 78387), (477, 43877), (493, 42453), (801, 26129), (901, 23229), (1479, 14151), (1513, 13833), (1537, 13617), (2581, 8109), (2703, 7743), (4437, 4717), (4539, 4611)]