20537972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3319}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 46851840

約数和(自身を除く): 26313868

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3319, 6188, 6638, 13276, 23233, 43147, 46466, 56423, 86294, 92932, 112846, 172588, 225692, 302029, 394961, 604058, 733499, 789922, 1208116, 1466998, 1579844, 2933996, 5134493, 10268986, 20537972]

約数ペア:

[(1, 20537972), (2, 10268986), (4, 5134493), (7, 2933996), (13, 1579844), (14, 1466998), (17, 1208116), (26, 789922), (28, 733499), (34, 604058), (52, 394961), (68, 302029), (91, 225692), (119, 172588), (182, 112846), (221, 92932), (238, 86294), (364, 56423), (442, 46466), (476, 43147), (884, 23233), (1547, 13276), (3094, 6638), (3319, 6188)]