20138352

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 57079680

約数和(自身を除く): 36941328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 59, 78, 104, 118, 156, 177, 208, 236, 312, 354, 472, 547, 624, 708, 767, 944, 1094, 1416, 1534, 1641, 2188, 2301, 2832, 3068, 3282, 4376, 4602, 6136, 6564, 7111, 8752, 9204, 12272, 13128, 14222, 18408, 21333, 26256, 28444, 32273, 36816, 42666, 56888, 64546, 85332, 96819, 113776, 129092, 170664, 193638, 258184, 341328, 387276, 419549, 516368, 774552, 839098, 1258647, 1549104, 1678196, 2517294, 3356392, 5034588, 6712784, 10069176, 20138352]

約数ペア:

[(1, 20138352), (2, 10069176), (3, 6712784), (4, 5034588), (6, 3356392), (8, 2517294), (12, 1678196), (13, 1549104), (16, 1258647), (24, 839098), (26, 774552), (39, 516368), (48, 419549), (52, 387276), (59, 341328), (78, 258184), (104, 193638), (118, 170664), (156, 129092), (177, 113776), (208, 96819), (236, 85332), (312, 64546), (354, 56888), (472, 42666), (547, 36816), (624, 32273), (708, 28444), (767, 26256), (944, 21333), (1094, 18408), (1416, 14222), (1534, 13128), (1641, 12272), (2188, 9204), (2301, 8752), (2832, 7111), (3068, 6564), (3282, 6136), (4376, 4602)]