20391048

素因数分解:

$2^3\times 3^3\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1491

約数の個数: 64

約数和(自身を含む): 57528000

約数和(自身を除く): 37136952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 108, 134, 201, 216, 268, 402, 536, 603, 804, 1206, 1409, 1608, 1809, 2412, 2818, 3618, 4227, 4824, 5636, 7236, 8454, 11272, 12681, 14472, 16908, 25362, 33816, 38043, 50724, 76086, 94403, 101448, 152172, 188806, 283209, 304344, 377612, 566418, 755224, 849627, 1132836, 1699254, 2265672, 2548881, 3398508, 5097762, 6797016, 10195524, 20391048]

約数ペア:

[(1, 20391048), (2, 10195524), (3, 6797016), (4, 5097762), (6, 3398508), (8, 2548881), (9, 2265672), (12, 1699254), (18, 1132836), (24, 849627), (27, 755224), (36, 566418), (54, 377612), (67, 304344), (72, 283209), (108, 188806), (134, 152172), (201, 101448), (216, 94403), (268, 76086), (402, 50724), (536, 38043), (603, 33816), (804, 25362), (1206, 16908), (1409, 14472), (1608, 12681), (1809, 11272), (2412, 8454), (2818, 7236), (3618, 5636), (4227, 4824)]