20802364358

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{659}}^1\times {\mathrm{43721}}^1$

素因数の和:44420

約数の個数: 24

約数和(自身を含む): 32983002360

約数和(自身を除く): 12180638002

約数列:

[1, 2, 19, 38, 361, 659, 722, 1318, 12521, 25042, 43721, 87442, 237899, 475798, 830699, 1661398, 15783281, 28812139, 31566562, 57624278, 547430641, 1094861282, 10401182179, 20802364358]

約数ペア:

[(1, 20802364358), (2, 10401182179), (19, 1094861282), (38, 547430641), (361, 57624278), (659, 31566562), (722, 28812139), (1318, 15783281), (12521, 1661398), (25042, 830699), (43721, 475798), (87442, 237899)]