20219550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10369}}^1$

素因数の和:10397

約数の個数: 48

約数和(自身を含む): 54006960

約数和(自身を除く): 33787410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10369, 20738, 31107, 51845, 62214, 103690, 134797, 155535, 259225, 269594, 311070, 404391, 518450, 673985, 777675, 808782, 1347970, 1555350, 2021955, 3369925, 4043910, 6739850, 10109775, 20219550]

約数ペア:

[(1, 20219550), (2, 10109775), (3, 6739850), (5, 4043910), (6, 3369925), (10, 2021955), (13, 1555350), (15, 1347970), (25, 808782), (26, 777675), (30, 673985), (39, 518450), (50, 404391), (65, 311070), (75, 269594), (78, 259225), (130, 155535), (150, 134797), (195, 103690), (325, 62214), (390, 51845), (650, 31107), (975, 20738), (1950, 10369)]