20176320825

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{379}}^1\times {\mathrm{1061}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 36430168320

約数和(自身を除く): 16253847495

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 379, 669, 1061, 1115, 1137, 1895, 2007, 3183, 3345, 3411, 5305, 5575, 5685, 9475, 9549, 10035, 15915, 16725, 17055, 26525, 28425, 47745, 50175, 79575, 84517, 85275, 236603, 238725, 253551, 402119, 422585, 709809, 760653, 1183015, 1206357, 1267755, 2010595, 2112925, 2129427, 3549045, 3619071, 3803265, 5915075, 6031785, 6338775, 10052975, 10647135, 17745225, 18095355, 19016325, 30158925, 53235675, 89672537, 90476775, 269017611, 448362685, 807052833, 1345088055, 2241813425, 4035264165, 6725440275, 20176320825]

約数ペア:

[(1, 20176320825), (3, 6725440275), (5, 4035264165), (9, 2241813425), (15, 1345088055), (25, 807052833), (45, 448362685), (75, 269017611), (223, 90476775), (225, 89672537), (379, 53235675), (669, 30158925), (1061, 19016325), (1115, 18095355), (1137, 17745225), (1895, 10647135), (2007, 10052975), (3183, 6338775), (3345, 6031785), (3411, 5915075), (5305, 3803265), (5575, 3619071), (5685, 3549045), (9475, 2129427), (9549, 2112925), (10035, 2010595), (15915, 1267755), (16725, 1206357), (17055, 1183015), (26525, 760653), (28425, 709809), (47745, 422585), (50175, 402119), (79575, 253551), (84517, 238725), (85275, 236603)]