20002528

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6869}}^1$

素因数の和:6899

約数の個数: 48

約数和(自身を含む): 48474720

約数和(自身を除く): 28472192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6869, 13738, 27476, 48083, 54952, 89297, 96166, 109904, 178594, 192332, 219808, 357188, 384664, 625079, 714376, 769328, 1250158, 1428752, 1538656, 2500316, 2857504, 5000632, 10001264, 20002528]

約数ペア:

[(1, 20002528), (2, 10001264), (4, 5000632), (7, 2857504), (8, 2500316), (13, 1538656), (14, 1428752), (16, 1250158), (26, 769328), (28, 714376), (32, 625079), (52, 384664), (56, 357188), (91, 219808), (104, 192332), (112, 178594), (182, 109904), (208, 96166), (224, 89297), (364, 54952), (416, 48083), (728, 27476), (1456, 13738), (2912, 6869)]