20173778316

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{1321}}^1\times {\mathrm{2221}}^1$

素因数の和:3743

約数の個数: 72

約数和(自身を含む): 51323720448

約数和(自身を除く): 31149942132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1321, 1719, 2221, 2292, 2642, 3438, 3963, 4442, 5284, 6663, 6876, 7926, 8884, 11889, 13326, 15852, 19989, 23778, 26652, 39978, 47556, 79956, 252311, 424211, 504622, 756933, 848422, 1009244, 1272633, 1513866, 1696844, 2270799, 2545266, 2933941, 3027732, 3817899, 4541598, 5090532, 5867882, 7635798, 8801823, 9083196, 11735764, 15271596, 17603646, 26405469, 35207292, 52810938, 105621876, 560382731, 1120765462, 1681148193, 2241530924, 3362296386, 5043444579, 6724592772, 10086889158, 20173778316]

約数ペア:

[(1, 20173778316), (2, 10086889158), (3, 6724592772), (4, 5043444579), (6, 3362296386), (9, 2241530924), (12, 1681148193), (18, 1120765462), (36, 560382731), (191, 105621876), (382, 52810938), (573, 35207292), (764, 26405469), (1146, 17603646), (1321, 15271596), (1719, 11735764), (2221, 9083196), (2292, 8801823), (2642, 7635798), (3438, 5867882), (3963, 5090532), (4442, 4541598), (5284, 3817899), (6663, 3027732), (6876, 2933941), (7926, 2545266), (8884, 2270799), (11889, 1696844), (13326, 1513866), (15852, 1272633), (19989, 1009244), (23778, 848422), (26652, 756933), (39978, 504622), (47556, 424211), (79956, 252311)]