20135336

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 41800860

約数和(自身を除く): 21665524

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 169, 212, 281, 338, 424, 562, 676, 689, 1124, 1352, 1378, 2248, 2756, 3653, 5512, 7306, 8957, 14612, 14893, 17914, 29224, 29786, 35828, 47489, 59572, 71656, 94978, 119144, 189956, 193609, 379912, 387218, 774436, 1548872, 2516917, 5033834, 10067668, 20135336]

約数ペア:

[(1, 20135336), (2, 10067668), (4, 5033834), (8, 2516917), (13, 1548872), (26, 774436), (52, 387218), (53, 379912), (104, 193609), (106, 189956), (169, 119144), (212, 94978), (281, 71656), (338, 59572), (424, 47489), (562, 35828), (676, 29786), (689, 29224), (1124, 17914), (1352, 14893), (1378, 14612), (2248, 8957), (2756, 7306), (3653, 5512)]