20213382009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{20249}}^1$

素因数の和:20565

約数の個数: 32

約数和(自身を含む): 28848960000

約数和(自身を除く): 8635577991

約数列:

[1, 3, 19, 57, 83, 211, 249, 633, 1577, 4009, 4731, 12027, 17513, 20249, 52539, 60747, 332747, 384731, 998241, 1154193, 1680667, 4272539, 5042001, 12817617, 31932673, 81178241, 95798019, 243534723, 354620737, 1063862211, 6737794003, 20213382009]

約数ペア:

[(1, 20213382009), (3, 6737794003), (19, 1063862211), (57, 354620737), (83, 243534723), (211, 95798019), (249, 81178241), (633, 31932673), (1577, 12817617), (4009, 5042001), (4731, 4272539), (12027, 1680667), (17513, 1154193), (20249, 998241), (52539, 384731), (60747, 332747)]