20589770

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 17599030

約数列:

[1, 2, 5, 10, 67, 79, 134, 158, 335, 389, 395, 670, 778, 790, 1945, 3890, 5293, 10586, 26063, 26465, 30731, 52126, 52930, 61462, 130315, 153655, 260630, 307310, 2058977, 4117954, 10294885, 20589770]

約数ペア:

[(1, 20589770), (2, 10294885), (5, 4117954), (10, 2058977), (67, 307310), (79, 260630), (134, 153655), (158, 130315), (335, 61462), (389, 52930), (395, 52126), (670, 30731), (778, 26465), (790, 26063), (1945, 10586), (3890, 5293)]