20292135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 35837952

約数和(自身を除く): 15545817

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 151, 155, 255, 289, 453, 465, 527, 755, 867, 1445, 1581, 2265, 2567, 2635, 4335, 4681, 7701, 7905, 8959, 12835, 14043, 23405, 26877, 38505, 43639, 44795, 70215, 79577, 130917, 134385, 218195, 238731, 397885, 654585, 1193655, 1352809, 4058427, 6764045, 20292135]

約数ペア:

[(1, 20292135), (3, 6764045), (5, 4058427), (15, 1352809), (17, 1193655), (31, 654585), (51, 397885), (85, 238731), (93, 218195), (151, 134385), (155, 130917), (255, 79577), (289, 70215), (453, 44795), (465, 43639), (527, 38505), (755, 26877), (867, 23405), (1445, 14043), (1581, 12835), (2265, 8959), (2567, 7905), (2635, 7701), (4335, 4681)]