15675220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 36767808

約数和(自身を除く): 21092588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1657, 1892, 2365, 3314, 4730, 6628, 8285, 9460, 16570, 18227, 33140, 36454, 71251, 72908, 91135, 142502, 182270, 285004, 356255, 364540, 712510, 783761, 1425020, 1567522, 3135044, 3918805, 7837610, 15675220]

約数ペア:

[(1, 15675220), (2, 7837610), (4, 3918805), (5, 3135044), (10, 1567522), (11, 1425020), (20, 783761), (22, 712510), (43, 364540), (44, 356255), (55, 285004), (86, 182270), (110, 142502), (172, 91135), (215, 72908), (220, 71251), (430, 36454), (473, 33140), (860, 18227), (946, 16570), (1657, 9460), (1892, 8285), (2365, 6628), (3314, 4730)]