20611405488

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1\times {\mathrm{5233}}^1$

素因数の和:7922

約数の個数: 80

約数和(自身を含む): 54995019776

約数和(自身を除く): 34383614288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 2647, 5233, 5294, 7941, 10466, 10588, 15699, 15882, 20932, 21176, 31398, 31764, 41864, 42352, 62796, 63528, 82057, 83728, 125592, 127056, 162223, 164114, 246171, 251184, 324446, 328228, 486669, 492342, 648892, 656456, 973338, 984684, 1297784, 1312912, 1946676, 1969368, 2595568, 3893352, 3938736, 7786704, 13851751, 27703502, 41555253, 55407004, 83110506, 110814008, 166221012, 221628016, 332442024, 429404281, 664884048, 858808562, 1288212843, 1717617124, 2576425686, 3435234248, 5152851372, 6870468496, 10305702744, 20611405488]

約数ペア:

[(1, 20611405488), (2, 10305702744), (3, 6870468496), (4, 5152851372), (6, 3435234248), (8, 2576425686), (12, 1717617124), (16, 1288212843), (24, 858808562), (31, 664884048), (48, 429404281), (62, 332442024), (93, 221628016), (124, 166221012), (186, 110814008), (248, 83110506), (372, 55407004), (496, 41555253), (744, 27703502), (1488, 13851751), (2647, 7786704), (5233, 3938736), (5294, 3893352), (7941, 2595568), (10466, 1969368), (10588, 1946676), (15699, 1312912), (15882, 1297784), (20932, 984684), (21176, 973338), (31398, 656456), (31764, 648892), (41864, 492342), (42352, 486669), (62796, 328228), (63528, 324446), (82057, 251184), (83728, 246171), (125592, 164114), (127056, 162223)]