20090131503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1\times {\mathrm{11257}}^1$

素因数の和:12023

約数の個数: 32

約数和(自身を含む): 29323397376

約数和(自身を除く): 9233265873

約数列:

[1, 3, 13, 39, 67, 201, 683, 871, 2049, 2613, 8879, 11257, 26637, 33771, 45761, 137283, 146341, 439023, 594893, 754219, 1784679, 2262657, 7688531, 9804847, 23065593, 29414541, 99950903, 299852709, 515131577, 1545394731, 6696710501, 20090131503]

約数ペア:

[(1, 20090131503), (3, 6696710501), (13, 1545394731), (39, 515131577), (67, 299852709), (201, 99950903), (683, 29414541), (871, 23065593), (2049, 9804847), (2613, 7688531), (8879, 2262657), (11257, 1784679), (26637, 754219), (33771, 594893), (45761, 439023), (137283, 146341)]