20372110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 42197760

約数和(自身を除く): 21825650

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 59, 73, 86, 110, 118, 146, 215, 295, 365, 430, 473, 590, 649, 730, 803, 946, 1298, 1606, 2365, 2537, 3139, 3245, 4015, 4307, 4730, 5074, 6278, 6490, 8030, 8614, 12685, 15695, 21535, 25370, 27907, 31390, 34529, 43070, 47377, 55814, 69058, 94754, 139535, 172645, 185201, 236885, 279070, 345290, 370402, 473770, 926005, 1852010, 2037211, 4074422, 10186055, 20372110]

約数ペア:

[(1, 20372110), (2, 10186055), (5, 4074422), (10, 2037211), (11, 1852010), (22, 926005), (43, 473770), (55, 370402), (59, 345290), (73, 279070), (86, 236885), (110, 185201), (118, 172645), (146, 139535), (215, 94754), (295, 69058), (365, 55814), (430, 47377), (473, 43070), (590, 34529), (649, 31390), (730, 27907), (803, 25370), (946, 21535), (1298, 15695), (1606, 12685), (2365, 8614), (2537, 8030), (3139, 6490), (3245, 6278), (4015, 5074), (4307, 4730)]