20792665216

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127807}}^1$

素因数の和:127893

約数の個数: 64

約数和(自身を含む): 43802357760

約数和(自身を除く): 23009692544

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 328, 496, 656, 992, 1271, 1312, 1984, 2542, 2624, 3968, 5084, 5248, 10168, 20336, 40672, 81344, 127807, 162688, 255614, 511228, 1022456, 2044912, 3962017, 4089824, 5240087, 7924034, 8179648, 10480174, 15848068, 16359296, 20960348, 31696136, 41920696, 63392272, 83841392, 126784544, 162442697, 167682784, 253569088, 324885394, 335365568, 507138176, 649770788, 670731136, 1299541576, 2599083152, 5198166304, 10396332608, 20792665216]

約数ペア:

[(1, 20792665216), (2, 10396332608), (4, 5198166304), (8, 2599083152), (16, 1299541576), (31, 670731136), (32, 649770788), (41, 507138176), (62, 335365568), (64, 324885394), (82, 253569088), (124, 167682784), (128, 162442697), (164, 126784544), (248, 83841392), (328, 63392272), (496, 41920696), (656, 31696136), (992, 20960348), (1271, 16359296), (1312, 15848068), (1984, 10480174), (2542, 8179648), (2624, 7924034), (3968, 5240087), (5084, 4089824), (5248, 3962017), (10168, 2044912), (20336, 1022456), (40672, 511228), (81344, 255614), (127807, 162688)]