20896670

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 38786688

約数和(自身を除く): 17890018

約数列:

[1, 2, 5, 10, 47, 94, 173, 235, 257, 346, 470, 514, 865, 1285, 1730, 2570, 8131, 12079, 16262, 24158, 40655, 44461, 60395, 81310, 88922, 120790, 222305, 444610, 2089667, 4179334, 10448335, 20896670]

約数ペア:

[(1, 20896670), (2, 10448335), (5, 4179334), (10, 2089667), (47, 444610), (94, 222305), (173, 120790), (235, 88922), (257, 81310), (346, 60395), (470, 44461), (514, 40655), (865, 24158), (1285, 16262), (1730, 12079), (2570, 8131)]