20852234

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 17094646

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 169, 191, 221, 247, 323, 338, 382, 442, 494, 646, 2483, 2873, 3211, 3247, 3629, 4199, 4966, 5746, 6422, 6494, 7258, 8398, 32279, 42211, 47177, 54587, 61693, 64558, 84422, 94354, 109174, 123386, 548743, 613301, 802009, 1097486, 1226602, 1604018, 10426117, 20852234]

約数ペア:

[(1, 20852234), (2, 10426117), (13, 1604018), (17, 1226602), (19, 1097486), (26, 802009), (34, 613301), (38, 548743), (169, 123386), (191, 109174), (221, 94354), (247, 84422), (323, 64558), (338, 61693), (382, 54587), (442, 47177), (494, 42211), (646, 32279), (2483, 8398), (2873, 7258), (3211, 6494), (3247, 6422), (3629, 5746), (4199, 4966)]