20778893507225

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{23177149}}^1$

素因数の和:23177322

約数の個数: 48

約数和(自身を含む): 30349087296000

約数和(自身を除く): 9570193788775

約数列:

[1, 5, 7, 25, 35, 47, 109, 175, 235, 329, 545, 763, 1175, 1645, 2725, 3815, 5123, 8225, 19075, 25615, 35861, 128075, 179305, 896525, 23177149, 115885745, 162240043, 579428725, 811200215, 1089326003, 2526309241, 4056001075, 5446630015, 7625282021, 12631546205, 17684164687, 27233150075, 38126410105, 63157731025, 88420823435, 118736534327, 190632050525, 442104117175, 593682671635, 831155740289, 2968413358175, 4155778701445, 20778893507225]

約数ペア:

[(1, 20778893507225), (5, 4155778701445), (7, 2968413358175), (25, 831155740289), (35, 593682671635), (47, 442104117175), (109, 190632050525), (175, 118736534327), (235, 88420823435), (329, 63157731025), (545, 38126410105), (763, 27233150075), (1175, 17684164687), (1645, 12631546205), (2725, 7625282021), (3815, 5446630015), (5123, 4056001075), (8225, 2526309241), (19075, 1089326003), (25615, 811200215), (35861, 579428725), (128075, 162240043), (179305, 115885745), (896525, 23177149)]