20608170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 54400896

約数和(自身を除く): 33792726

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 197, 317, 330, 394, 591, 634, 951, 985, 1182, 1585, 1902, 1970, 2167, 2955, 3170, 3487, 4334, 4755, 5910, 6501, 6974, 9510, 10461, 10835, 13002, 17435, 20922, 21670, 32505, 34870, 52305, 62449, 65010, 104610, 124898, 187347, 312245, 374694, 624490, 686939, 936735, 1373878, 1873470, 2060817, 3434695, 4121634, 6869390, 10304085, 20608170]

約数ペア:

[(1, 20608170), (2, 10304085), (3, 6869390), (5, 4121634), (6, 3434695), (10, 2060817), (11, 1873470), (15, 1373878), (22, 936735), (30, 686939), (33, 624490), (55, 374694), (66, 312245), (110, 187347), (165, 124898), (197, 104610), (317, 65010), (330, 62449), (394, 52305), (591, 34870), (634, 32505), (951, 21670), (985, 20922), (1182, 17435), (1585, 13002), (1902, 10835), (1970, 10461), (2167, 9510), (2955, 6974), (3170, 6501), (3487, 5910), (4334, 4755)]