20166404140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{3109}}^1$

素因数の和:3439

約数の個数: 96

約数和(自身を含む): 45142272000

約数和(自身を除く): 24975867860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 239, 295, 460, 478, 590, 956, 1180, 1195, 1357, 2390, 2714, 3109, 4780, 5428, 5497, 6218, 6785, 10994, 12436, 13570, 14101, 15545, 21988, 27140, 27485, 28202, 31090, 54970, 56404, 62180, 70505, 71507, 109940, 141010, 143014, 183431, 282020, 286028, 324323, 357535, 366862, 648646, 715070, 733724, 743051, 917155, 1297292, 1430140, 1486102, 1621615, 1834310, 2972204, 3243230, 3668620, 3715255, 4218913, 6486460, 7430510, 8437826, 14861020, 16875652, 17090173, 21094565, 34180346, 42189130, 43840009, 68360692, 84378260, 85450865, 87680018, 170901730, 175360036, 219200045, 341803460, 438400090, 876800180, 1008320207, 2016640414, 4033280828, 5041601035, 10083202070, 20166404140]

約数ペア:

[(1, 20166404140), (2, 10083202070), (4, 5041601035), (5, 4033280828), (10, 2016640414), (20, 1008320207), (23, 876800180), (46, 438400090), (59, 341803460), (92, 219200045), (115, 175360036), (118, 170901730), (230, 87680018), (236, 85450865), (239, 84378260), (295, 68360692), (460, 43840009), (478, 42189130), (590, 34180346), (956, 21094565), (1180, 17090173), (1195, 16875652), (1357, 14861020), (2390, 8437826), (2714, 7430510), (3109, 6486460), (4780, 4218913), (5428, 3715255), (5497, 3668620), (6218, 3243230), (6785, 2972204), (10994, 1834310), (12436, 1621615), (13570, 1486102), (14101, 1430140), (15545, 1297292), (21988, 917155), (27140, 743051), (27485, 733724), (28202, 715070), (31090, 648646), (54970, 366862), (56404, 357535), (62180, 324323), (70505, 286028), (71507, 282020), (109940, 183431), (141010, 143014)]