20144864

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 24081136

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1949, 2584, 3898, 5168, 7796, 10336, 15592, 31184, 33133, 37031, 62368, 66266, 74062, 132532, 148124, 265064, 296248, 530128, 592496, 629527, 1060256, 1184992, 1259054, 2518108, 5036216, 10072432, 20144864]

約数ペア:

[(1, 20144864), (2, 10072432), (4, 5036216), (8, 2518108), (16, 1259054), (17, 1184992), (19, 1060256), (32, 629527), (34, 592496), (38, 530128), (68, 296248), (76, 265064), (136, 148124), (152, 132532), (272, 74062), (304, 66266), (323, 62368), (544, 37031), (608, 33133), (646, 31184), (1292, 15592), (1949, 10336), (2584, 7796), (3898, 5168)]