20403749064

素因数分解:

$2^3\times 3^1\times {\mathrm{40013}}^1\times {\mathrm{21247}}^1$

素因数の和:61269

約数の個数: 32

約数和(自身を含む): 51013048320

約数和(自身を除く): 30609299256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 21247, 40013, 42494, 63741, 80026, 84988, 120039, 127482, 160052, 169976, 240078, 254964, 320104, 480156, 509928, 960312, 850156211, 1700312422, 2550468633, 3400624844, 5100937266, 6801249688, 10201874532, 20403749064]

約数ペア:

[(1, 20403749064), (2, 10201874532), (3, 6801249688), (4, 5100937266), (6, 3400624844), (8, 2550468633), (12, 1700312422), (24, 850156211), (21247, 960312), (40013, 509928), (42494, 480156), (63741, 320104), (80026, 254964), (84988, 240078), (120039, 169976), (127482, 160052)]