20313088

素因数分解:

$2^{10}\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 44

約数和(自身を含む): 41267520

約数和(自身を除く): 20954432

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 239, 256, 332, 478, 512, 664, 956, 1024, 1328, 1912, 2656, 3824, 5312, 7648, 10624, 15296, 19837, 21248, 30592, 39674, 42496, 61184, 79348, 84992, 122368, 158696, 244736, 317392, 634784, 1269568, 2539136, 5078272, 10156544, 20313088]

約数ペア:

[(1, 20313088), (2, 10156544), (4, 5078272), (8, 2539136), (16, 1269568), (32, 634784), (64, 317392), (83, 244736), (128, 158696), (166, 122368), (239, 84992), (256, 79348), (332, 61184), (478, 42496), (512, 39674), (664, 30592), (956, 21248), (1024, 19837), (1328, 15296), (1912, 10624), (2656, 7648), (3824, 5312)]