20187603

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11146797

約数列:

[1, 3, 9, 27, 31, 89, 93, 267, 271, 279, 801, 813, 837, 2403, 2439, 2759, 7317, 8277, 8401, 24119, 24831, 25203, 72357, 74493, 75609, 217071, 226827, 651213, 747689, 2243067, 6729201, 20187603]

約数ペア:

[(1, 20187603), (3, 6729201), (9, 2243067), (27, 747689), (31, 651213), (89, 226827), (93, 217071), (267, 75609), (271, 74493), (279, 72357), (801, 25203), (813, 24831), (837, 24119), (2403, 8401), (2439, 8277), (2759, 7317)]