20199326225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1\times {\mathrm{2621}}^1$

素因数の和:3698

約数の個数: 48

約数和(自身を含む): 28184696064

約数和(自身を除く): 7985369839

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1031, 1495, 2621, 5155, 7475, 13105, 13403, 23713, 25775, 34073, 60283, 65525, 67015, 118565, 170365, 301415, 308269, 335075, 592825, 783679, 851825, 1507075, 1541345, 2702251, 3918395, 7706725, 13511255, 19591975, 35129263, 62151773, 67556275, 175646315, 310758865, 807973049, 878231575, 1553794325, 4039865245, 20199326225]

約数ペア:

[(1, 20199326225), (5, 4039865245), (13, 1553794325), (23, 878231575), (25, 807973049), (65, 310758865), (115, 175646315), (299, 67556275), (325, 62151773), (575, 35129263), (1031, 19591975), (1495, 13511255), (2621, 7706725), (5155, 3918395), (7475, 2702251), (13105, 1541345), (13403, 1507075), (23713, 851825), (25775, 783679), (34073, 592825), (60283, 335075), (65525, 308269), (67015, 301415), (118565, 170365)]