20943616

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3557}}^1$

素因数の和:3596

約数の個数: 36

約数和(自身を含む): 43635312

約数和(自身を除く): 22691696

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3557, 5888, 7114, 14228, 28456, 56912, 81811, 113824, 163622, 227648, 327244, 455296, 654488, 910592, 1308976, 2617952, 5235904, 10471808, 20943616]

約数ペア:

[(1, 20943616), (2, 10471808), (4, 5235904), (8, 2617952), (16, 1308976), (23, 910592), (32, 654488), (46, 455296), (64, 327244), (92, 227648), (128, 163622), (184, 113824), (256, 81811), (368, 56912), (736, 28456), (1472, 14228), (2944, 7114), (3557, 5888)]