20298788

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 38044188

約数和(自身を除く): 17745400

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 181, 212, 362, 529, 724, 1058, 1219, 2116, 2438, 4163, 4876, 8326, 9593, 16652, 19186, 28037, 38372, 56074, 95749, 112148, 191498, 220639, 382996, 441278, 882556, 5074697, 10149394, 20298788]

約数ペア:

[(1, 20298788), (2, 10149394), (4, 5074697), (23, 882556), (46, 441278), (53, 382996), (92, 220639), (106, 191498), (181, 112148), (212, 95749), (362, 56074), (529, 38372), (724, 28037), (1058, 19186), (1219, 16652), (2116, 9593), (2438, 8326), (4163, 4876)]