20996870540

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{607}}^1\times {\mathrm{3307}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 44263898112

約数和(自身を除く): 23267027572

約数列:

[1, 2, 4, 5, 10, 20, 523, 607, 1046, 1214, 2092, 2428, 2615, 3035, 3307, 5230, 6070, 6614, 10460, 12140, 13228, 16535, 33070, 66140, 317461, 634922, 1269844, 1587305, 1729561, 2007349, 3174610, 3459122, 4014698, 6349220, 6918244, 8029396, 8647805, 10036745, 17295610, 20073490, 34591220, 40146980, 1049843527, 2099687054, 4199374108, 5249217635, 10498435270, 20996870540]

約数ペア:

[(1, 20996870540), (2, 10498435270), (4, 5249217635), (5, 4199374108), (10, 2099687054), (20, 1049843527), (523, 40146980), (607, 34591220), (1046, 20073490), (1214, 17295610), (2092, 10036745), (2428, 8647805), (2615, 8029396), (3035, 6918244), (3307, 6349220), (5230, 4014698), (6070, 3459122), (6614, 3174610), (10460, 2007349), (12140, 1729561), (13228, 1587305), (16535, 1269844), (33070, 634922), (66140, 317461)]