20554110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1667}}^1$

素因数の和:1817

約数の個数: 48

約数和(自身を含む): 53863056

約数和(自身を除く): 33308946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1667, 2055, 2466, 3334, 4110, 5001, 6165, 8335, 10002, 12330, 15003, 16670, 25005, 30006, 50010, 75015, 150030, 228379, 456758, 685137, 1141895, 1370274, 2055411, 2283790, 3425685, 4110822, 6851370, 10277055, 20554110]

約数ペア:

[(1, 20554110), (2, 10277055), (3, 6851370), (5, 4110822), (6, 3425685), (9, 2283790), (10, 2055411), (15, 1370274), (18, 1141895), (30, 685137), (45, 456758), (90, 228379), (137, 150030), (274, 75015), (411, 50010), (685, 30006), (822, 25005), (1233, 16670), (1370, 15003), (1667, 12330), (2055, 10002), (2466, 8335), (3334, 6165), (4110, 5001)]