20523328

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:831

約数の個数: 56

約数和(自身を含む): 47369984

約数和(自身を除く): 26846656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 751, 854, 976, 1502, 1708, 1952, 3004, 3416, 3904, 5257, 6008, 6832, 10514, 12016, 13664, 21028, 24032, 27328, 42056, 45811, 48064, 84112, 91622, 168224, 183244, 320677, 336448, 366488, 641354, 732976, 1282708, 1465952, 2565416, 2931904, 5130832, 10261664, 20523328]

約数ペア:

[(1, 20523328), (2, 10261664), (4, 5130832), (7, 2931904), (8, 2565416), (14, 1465952), (16, 1282708), (28, 732976), (32, 641354), (56, 366488), (61, 336448), (64, 320677), (112, 183244), (122, 168224), (224, 91622), (244, 84112), (427, 48064), (448, 45811), (488, 42056), (751, 27328), (854, 24032), (976, 21028), (1502, 13664), (1708, 12016), (1952, 10514), (3004, 6832), (3416, 6008), (3904, 5257)]