20199559692

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{657281}}^1$

素因数の和:657498

約数の個数: 48

約数和(自身を含む): 51015599712

約数和(自身を除く): 30816040020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 788, 1182, 2364, 2561, 5122, 7683, 10244, 15366, 30732, 657281, 1314562, 1971843, 2629124, 3943686, 7887372, 8544653, 17089306, 25633959, 34178612, 51267918, 102535836, 129484357, 258968714, 388453071, 517937428, 776906142, 1553812284, 1683296641, 3366593282, 5049889923, 6733186564, 10099779846, 20199559692]

約数ペア:

[(1, 20199559692), (2, 10099779846), (3, 6733186564), (4, 5049889923), (6, 3366593282), (12, 1683296641), (13, 1553812284), (26, 776906142), (39, 517937428), (52, 388453071), (78, 258968714), (156, 129484357), (197, 102535836), (394, 51267918), (591, 34178612), (788, 25633959), (1182, 17089306), (2364, 8544653), (2561, 7887372), (5122, 3943686), (7683, 2629124), (10244, 1971843), (15366, 1314562), (30732, 657281)]