20165593644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{747871}}^1$

素因数の和:747995

約数の個数: 72

約数和(自身を含む): 58800688128

約数和(自身を除く): 38635094484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 749, 963, 1284, 1498, 1926, 2247, 2996, 3852, 4494, 6741, 8988, 13482, 26964, 747871, 1495742, 2243613, 2991484, 4487226, 5235097, 6730839, 8974452, 10470194, 13461678, 15705291, 20940388, 26923356, 31410582, 47115873, 62821164, 80022197, 94231746, 160044394, 188463492, 240066591, 320088788, 480133182, 560155379, 720199773, 960266364, 1120310758, 1440399546, 1680466137, 2240621516, 2880799092, 3360932274, 5041398411, 6721864548, 10082796822, 20165593644]

約数ペア:

[(1, 20165593644), (2, 10082796822), (3, 6721864548), (4, 5041398411), (6, 3360932274), (7, 2880799092), (9, 2240621516), (12, 1680466137), (14, 1440399546), (18, 1120310758), (21, 960266364), (28, 720199773), (36, 560155379), (42, 480133182), (63, 320088788), (84, 240066591), (107, 188463492), (126, 160044394), (214, 94231746), (252, 80022197), (321, 62821164), (428, 47115873), (642, 31410582), (749, 26923356), (963, 20940388), (1284, 15705291), (1498, 13461678), (1926, 10470194), (2247, 8974452), (2996, 6730839), (3852, 5235097), (4494, 4487226), (6741, 2991484), (8988, 2243613), (13482, 1495742), (26964, 747871)]