20061700280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1579}}^1\times {\mathrm{1663}}^1$

素因数の和:3444

約数の個数: 64

約数和(自身を含む): 45431193600

約数和(自身を除く): 25369493320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1579, 1663, 1910, 3158, 3326, 3820, 6316, 6652, 7640, 7895, 8315, 12632, 13304, 15790, 16630, 31580, 33260, 63160, 66520, 301589, 317633, 603178, 635266, 1206356, 1270532, 1507945, 1588165, 2412712, 2541064, 2625877, 3015890, 3176330, 5251754, 6031780, 6352660, 10503508, 12063560, 12705320, 13129385, 21007016, 26258770, 52517540, 105035080, 501542507, 1003085014, 2006170028, 2507712535, 4012340056, 5015425070, 10030850140, 20061700280]

約数ペア:

[(1, 20061700280), (2, 10030850140), (4, 5015425070), (5, 4012340056), (8, 2507712535), (10, 2006170028), (20, 1003085014), (40, 501542507), (191, 105035080), (382, 52517540), (764, 26258770), (955, 21007016), (1528, 13129385), (1579, 12705320), (1663, 12063560), (1910, 10503508), (3158, 6352660), (3326, 6031780), (3820, 5251754), (6316, 3176330), (6652, 3015890), (7640, 2625877), (7895, 2541064), (8315, 2412712), (12632, 1588165), (13304, 1507945), (15790, 1270532), (16630, 1206356), (31580, 635266), (33260, 603178), (63160, 317633), (66520, 301589)]