20265570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17321}}^1$

素因数の和:17347

約数の個数: 48

約数和(自身を含む): 56746872

約数和(自身を除く): 36481302

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17321, 34642, 51963, 86605, 103926, 155889, 173210, 225173, 259815, 311778, 450346, 519630, 675519, 779445, 1125865, 1351038, 1558890, 2026557, 2251730, 3377595, 4053114, 6755190, 10132785, 20265570]

約数ペア:

[(1, 20265570), (2, 10132785), (3, 6755190), (5, 4053114), (6, 3377595), (9, 2251730), (10, 2026557), (13, 1558890), (15, 1351038), (18, 1125865), (26, 779445), (30, 675519), (39, 519630), (45, 450346), (65, 311778), (78, 259815), (90, 225173), (117, 173210), (130, 155889), (195, 103926), (234, 86605), (390, 51963), (585, 34642), (1170, 17321)]