20304704

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:823

約数の個数: 56

約数和(自身を含む): 46866048

約数和(自身を除く): 26561344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 743, 854, 976, 1486, 1708, 1952, 2972, 3416, 3904, 5201, 5944, 6832, 10402, 11888, 13664, 20804, 23776, 27328, 41608, 45323, 47552, 83216, 90646, 166432, 181292, 317261, 332864, 362584, 634522, 725168, 1269044, 1450336, 2538088, 2900672, 5076176, 10152352, 20304704]

約数ペア:

[(1, 20304704), (2, 10152352), (4, 5076176), (7, 2900672), (8, 2538088), (14, 1450336), (16, 1269044), (28, 725168), (32, 634522), (56, 362584), (61, 332864), (64, 317261), (112, 181292), (122, 166432), (224, 90646), (244, 83216), (427, 47552), (448, 45323), (488, 41608), (743, 27328), (854, 23776), (976, 20804), (1486, 13664), (1708, 11888), (1952, 10402), (2972, 6832), (3416, 5944), (3904, 5201)]