20565116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 42735840

約数和(自身を除く): 22170724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 229, 286, 314, 458, 572, 628, 916, 1727, 2041, 2519, 2977, 3454, 4082, 5038, 5954, 6908, 8164, 10076, 11908, 22451, 32747, 35953, 44902, 65494, 71906, 89804, 130988, 143812, 395483, 467389, 790966, 934778, 1581932, 1869556, 5141279, 10282558, 20565116]

約数ペア:

[(1, 20565116), (2, 10282558), (4, 5141279), (11, 1869556), (13, 1581932), (22, 934778), (26, 790966), (44, 467389), (52, 395483), (143, 143812), (157, 130988), (229, 89804), (286, 71906), (314, 65494), (458, 44902), (572, 35953), (628, 32747), (916, 22451), (1727, 11908), (2041, 10076), (2519, 8164), (2977, 6908), (3454, 5954), (4082, 5038)]