20371501.000000000

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^2\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 60

約数和(自身を含む): 269328744

約数和(自身を除く): 166756152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 219, 292, 401, 438, 584, 802, 876, 1168, 1203, 1604, 1752, 2406, 3208, 3504, 4812, 5329, 6416, 9624, 10658, 15987, 19248, 21316, 29273, 31974, 42632, 58546, 63948, 85264, 87819, 117092, 127896, 175638, 234184, 255792, 351276, 468368, 702552, 1405104, 2136929, 4273858, 6410787, 8547716, 12821574, 17095432, 25643148, 34190864, 51286296, 102572592]

約数ペア:

[(1, 102572592), (2, 51286296), (3, 34190864), (4, 25643148), (6, 17095432), (8, 12821574), (12, 8547716), (16, 6410787), (24, 4273858), (48, 2136929), (73, 1405104), (146, 702552), (219, 468368), (292, 351276), (401, 255792), (438, 234184), (584, 175638), (802, 127896), (876, 117092), (1168, 87819), (1203, 85264), (1604, 63948), (1752, 58546), (2406, 42632), (3208, 31974), (3504, 29273), (4812, 21316), (5329, 19248), (6416, 15987), (9624, 10658)]