20571632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1505

約数の個数: 40

約数和(自身を含む): 43028496

約数和(自身を除く): 22456864

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1427, 1802, 2854, 3604, 5708, 7208, 11416, 14416, 22832, 24259, 48518, 75631, 97036, 151262, 194072, 302524, 388144, 605048, 1210096, 1285727, 2571454, 5142908, 10285816, 20571632]

約数ペア:

[(1, 20571632), (2, 10285816), (4, 5142908), (8, 2571454), (16, 1285727), (17, 1210096), (34, 605048), (53, 388144), (68, 302524), (106, 194072), (136, 151262), (212, 97036), (272, 75631), (424, 48518), (848, 24259), (901, 22832), (1427, 14416), (1802, 11416), (2854, 7208), (3604, 5708)]