20138301985

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{3613}}^1$

素因数の和:3937

約数の個数: 32

約数和(自身を含む): 24896701440

約数和(自身を除く): 4758399455

約数列:

[1, 5, 79, 103, 137, 395, 515, 685, 3613, 8137, 10823, 14111, 18065, 40685, 54115, 70555, 285427, 372139, 494981, 1114769, 1427135, 1860695, 2474905, 5573845, 29398981, 39103499, 50983043, 146994905, 195517495, 254915215, 4027660397, 20138301985]

約数ペア:

[(1, 20138301985), (5, 4027660397), (79, 254915215), (103, 195517495), (137, 146994905), (395, 50983043), (515, 39103499), (685, 29398981), (3613, 5573845), (8137, 2474905), (10823, 1860695), (14111, 1427135), (18065, 1114769), (40685, 494981), (54115, 372139), (70555, 285427)]