20178684

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29501}}^1$

素因数の和:29530

約数の個数: 36

約数和(自身を含む): 53693640

約数和(自身を除く): 33514956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29501, 59002, 88503, 118004, 177006, 265509, 354012, 531018, 560519, 1062036, 1121038, 1681557, 2242076, 3363114, 5044671, 6726228, 10089342, 20178684]

約数ペア:

[(1, 20178684), (2, 10089342), (3, 6726228), (4, 5044671), (6, 3363114), (9, 2242076), (12, 1681557), (18, 1121038), (19, 1062036), (36, 560519), (38, 531018), (57, 354012), (76, 265509), (114, 177006), (171, 118004), (228, 88503), (342, 59002), (684, 29501)]