20559654

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 47410272

約数和(自身を除く): 26850618

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 414, 477, 937, 954, 1219, 1874, 2438, 2811, 3657, 5622, 7314, 8433, 10971, 16866, 21551, 21942, 43102, 49661, 64653, 99322, 129306, 148983, 193959, 297966, 387918, 446949, 893898, 1142203, 2284406, 3426609, 6853218, 10279827, 20559654]

約数ペア:

[(1, 20559654), (2, 10279827), (3, 6853218), (6, 3426609), (9, 2284406), (18, 1142203), (23, 893898), (46, 446949), (53, 387918), (69, 297966), (106, 193959), (138, 148983), (159, 129306), (207, 99322), (318, 64653), (414, 49661), (477, 43102), (937, 21942), (954, 21551), (1219, 16866), (1874, 10971), (2438, 8433), (2811, 7314), (3657, 5622)]