20962240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5039}}^1$

素因数の和:5069

約数の個数: 56

約数和(自身を含む): 53766720

約数和(自身を除く): 32804480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 5039, 10078, 20156, 25195, 40312, 50390, 65507, 80624, 100780, 131014, 161248, 201560, 262028, 322496, 327535, 403120, 524056, 655070, 806240, 1048112, 1310140, 1612480, 2096224, 2620280, 4192448, 5240560, 10481120, 20962240]

約数ペア:

[(1, 20962240), (2, 10481120), (4, 5240560), (5, 4192448), (8, 2620280), (10, 2096224), (13, 1612480), (16, 1310140), (20, 1048112), (26, 806240), (32, 655070), (40, 524056), (52, 403120), (64, 327535), (65, 322496), (80, 262028), (104, 201560), (130, 161248), (160, 131014), (208, 100780), (260, 80624), (320, 65507), (416, 50390), (520, 40312), (832, 25195), (1040, 20156), (2080, 10078), (4160, 5039)]