20205822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 31726338

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1609, 1794, 2093, 3218, 4186, 4827, 6279, 9654, 11263, 12558, 20917, 22526, 33789, 37007, 41834, 62751, 67578, 74014, 111021, 125502, 146419, 222042, 259049, 292838, 439257, 481091, 518098, 777147, 878514, 962182, 1443273, 1554294, 2886546, 3367637, 6735274, 10102911, 20205822]

約数ペア:

[(1, 20205822), (2, 10102911), (3, 6735274), (6, 3367637), (7, 2886546), (13, 1554294), (14, 1443273), (21, 962182), (23, 878514), (26, 777147), (39, 518098), (42, 481091), (46, 439257), (69, 292838), (78, 259049), (91, 222042), (138, 146419), (161, 125502), (182, 111021), (273, 74014), (299, 67578), (322, 62751), (483, 41834), (546, 37007), (598, 33789), (897, 22526), (966, 20917), (1609, 12558), (1794, 11263), (2093, 9654), (3218, 6279), (4186, 4827)]