20129547

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 29728512

約数和(自身を除く): 9598965

約数列:

[1, 3, 17, 43, 51, 67, 129, 137, 201, 411, 731, 1139, 2193, 2329, 2881, 3417, 5891, 6987, 8643, 9179, 17673, 27537, 48977, 100147, 146931, 156043, 300441, 394697, 468129, 1184091, 6709849, 20129547]

約数ペア:

[(1, 20129547), (3, 6709849), (17, 1184091), (43, 468129), (51, 394697), (67, 300441), (129, 156043), (137, 146931), (201, 100147), (411, 48977), (731, 27537), (1139, 17673), (2193, 9179), (2329, 8643), (2881, 6987), (3417, 5891)]