20015808

素因数分解:

$2^6\times 3^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1785

約数の個数: 56

約数和(自身を含む): 53858160

約数和(自身を除く): 33842352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 183, 192, 244, 366, 488, 732, 976, 1464, 1709, 1952, 2928, 3418, 3904, 5127, 5856, 6836, 10254, 11712, 13672, 20508, 27344, 41016, 54688, 82032, 104249, 109376, 164064, 208498, 312747, 328128, 416996, 625494, 833992, 1250988, 1667984, 2501976, 3335968, 5003952, 6671936, 10007904, 20015808]

約数ペア:

[(1, 20015808), (2, 10007904), (3, 6671936), (4, 5003952), (6, 3335968), (8, 2501976), (12, 1667984), (16, 1250988), (24, 833992), (32, 625494), (48, 416996), (61, 328128), (64, 312747), (96, 208498), (122, 164064), (183, 109376), (192, 104249), (244, 82032), (366, 54688), (488, 41016), (732, 27344), (976, 20508), (1464, 13672), (1709, 11712), (1952, 10254), (2928, 6836), (3418, 5856), (3904, 5127)]