20366944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 43584912

約数和(自身を除く): 23217968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 283, 346, 416, 566, 692, 1132, 1384, 2249, 2264, 2768, 3679, 4498, 4528, 5536, 7358, 8996, 9056, 14716, 17992, 29432, 35984, 48959, 58864, 71968, 97918, 117728, 195836, 391672, 636467, 783344, 1272934, 1566688, 2545868, 5091736, 10183472, 20366944]

約数ペア:

[(1, 20366944), (2, 10183472), (4, 5091736), (8, 2545868), (13, 1566688), (16, 1272934), (26, 783344), (32, 636467), (52, 391672), (104, 195836), (173, 117728), (208, 97918), (283, 71968), (346, 58864), (416, 48959), (566, 35984), (692, 29432), (1132, 17992), (1384, 14716), (2249, 9056), (2264, 8996), (2768, 7358), (3679, 5536), (4498, 4528)]