20596940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11317}}^1$

素因数の和:11346

約数の個数: 48

約数和(自身を含む): 53239872

約数和(自身を除く): 32642932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11317, 22634, 45268, 56585, 79219, 113170, 147121, 158438, 226340, 294242, 316876, 396095, 588484, 735605, 792190, 1029847, 1471210, 1584380, 2059694, 2942420, 4119388, 5149235, 10298470, 20596940]

約数ペア:

[(1, 20596940), (2, 10298470), (4, 5149235), (5, 4119388), (7, 2942420), (10, 2059694), (13, 1584380), (14, 1471210), (20, 1029847), (26, 792190), (28, 735605), (35, 588484), (52, 396095), (65, 316876), (70, 294242), (91, 226340), (130, 158438), (140, 147121), (182, 113170), (260, 79219), (364, 56585), (455, 45268), (910, 22634), (1820, 11317)]