20853735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10453}}^1$

素因数の和:10487

約数の個数: 32

約数和(自身を含む): 40143360

約数和(自身を除く): 19289625

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10453, 31359, 52265, 73171, 156795, 198607, 219513, 365855, 595821, 993035, 1097565, 1390249, 2979105, 4170747, 6951245, 20853735]

約数ペア:

[(1, 20853735), (3, 6951245), (5, 4170747), (7, 2979105), (15, 1390249), (19, 1097565), (21, 993035), (35, 595821), (57, 365855), (95, 219513), (105, 198607), (133, 156795), (285, 73171), (399, 52265), (665, 31359), (1995, 10453)]