20519503695

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{28789}}^1$

素因数の和:29184

約数の個数: 48

約数和(自身を含む): 36432938880

約数和(自身を除く): 15913435185

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 337, 423, 705, 1011, 1685, 2115, 3033, 5055, 15165, 15839, 28789, 47517, 79195, 86367, 142551, 143945, 237585, 259101, 431835, 712755, 1295505, 1353083, 4059249, 6765415, 9701893, 12177747, 20296245, 29105679, 48509465, 60888735, 87317037, 145528395, 436585185, 455988971, 1367966913, 2279944855, 4103900739, 6839834565, 20519503695]

約数ペア:

[(1, 20519503695), (3, 6839834565), (5, 4103900739), (9, 2279944855), (15, 1367966913), (45, 455988971), (47, 436585185), (141, 145528395), (235, 87317037), (337, 60888735), (423, 48509465), (705, 29105679), (1011, 20296245), (1685, 12177747), (2115, 9701893), (3033, 6765415), (5055, 4059249), (15165, 1353083), (15839, 1295505), (28789, 712755), (47517, 431835), (79195, 259101), (86367, 237585), (142551, 143945)]