20197508751

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1\times {\mathrm{4337}}^1$

素因数の和:6928

約数の個数: 48

約数和(自身を含む): 34513128000

約数和(自身を除く): 14315619249

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 2549, 4337, 7647, 13011, 17843, 22941, 30359, 39033, 53529, 73921, 91077, 125773, 160587, 221763, 273231, 377319, 517447, 665289, 880411, 1131957, 1552341, 2641233, 4657023, 7923699, 11055013, 33165039, 77385091, 99495117, 232155273, 320595377, 696465819, 961786131, 2244167639, 2885358393, 6732502917, 20197508751]

約数ペア:

[(1, 20197508751), (3, 6732502917), (7, 2885358393), (9, 2244167639), (21, 961786131), (29, 696465819), (63, 320595377), (87, 232155273), (203, 99495117), (261, 77385091), (609, 33165039), (1827, 11055013), (2549, 7923699), (4337, 4657023), (7647, 2641233), (13011, 1552341), (17843, 1131957), (22941, 880411), (30359, 665289), (39033, 517447), (53529, 377319), (73921, 273231), (91077, 221763), (125773, 160587)]