20896190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12979}}^1$

素因数の和:13016

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 23962690

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12979, 25958, 64895, 90853, 129790, 181706, 298517, 454265, 597034, 908530, 1492585, 2089619, 2985170, 4179238, 10448095, 20896190]

約数ペア:

[(1, 20896190), (2, 10448095), (5, 4179238), (7, 2985170), (10, 2089619), (14, 1492585), (23, 908530), (35, 597034), (46, 454265), (70, 298517), (115, 181706), (161, 129790), (230, 90853), (322, 64895), (805, 25958), (1610, 12979)]