20436788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 19842892

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 73, 92, 146, 179, 292, 358, 391, 716, 782, 1241, 1564, 1679, 2482, 3043, 3358, 4117, 4964, 6086, 6716, 8234, 12172, 13067, 16468, 26134, 28543, 52268, 57086, 69989, 114172, 139978, 222139, 279956, 300541, 444278, 601082, 888556, 1202164, 5109197, 10218394, 20436788]

約数ペア:

[(1, 20436788), (2, 10218394), (4, 5109197), (17, 1202164), (23, 888556), (34, 601082), (46, 444278), (68, 300541), (73, 279956), (92, 222139), (146, 139978), (179, 114172), (292, 69989), (358, 57086), (391, 52268), (716, 28543), (782, 26134), (1241, 16468), (1564, 13067), (1679, 12172), (2482, 8234), (3043, 6716), (3358, 6086), (4117, 4964)]