20574810

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8467}}^1$

素因数の和:8489

約数の個数: 48

約数和(自身を含む): 55482336

約数和(自身を除く): 34907526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8467, 16934, 25401, 42335, 50802, 76203, 84670, 127005, 152406, 228609, 254010, 381015, 457218, 685827, 762030, 1143045, 1371654, 2057481, 2286090, 3429135, 4114962, 6858270, 10287405, 20574810]

約数ペア:

[(1, 20574810), (2, 10287405), (3, 6858270), (5, 4114962), (6, 3429135), (9, 2286090), (10, 2057481), (15, 1371654), (18, 1143045), (27, 762030), (30, 685827), (45, 457218), (54, 381015), (81, 254010), (90, 228609), (135, 152406), (162, 127005), (243, 84670), (270, 76203), (405, 50802), (486, 42335), (810, 25401), (1215, 16934), (2430, 8467)]