20386156700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{12377}}^1$

素因数の和:12592

約数の個数: 144

約数和(自身を含む): 54751953984

約数和(自身を除く): 34365797284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 181, 182, 260, 325, 350, 362, 364, 455, 650, 700, 724, 905, 910, 1267, 1300, 1810, 1820, 2275, 2353, 2534, 3620, 4525, 4550, 4706, 5068, 6335, 9050, 9100, 9412, 11765, 12377, 12670, 16471, 18100, 23530, 24754, 25340, 31675, 32942, 47060, 49508, 58825, 61885, 63350, 65884, 82355, 86639, 117650, 123770, 126700, 160901, 164710, 173278, 235300, 247540, 309425, 321802, 329420, 346556, 411775, 433195, 618850, 643604, 804505, 823550, 866390, 1126307, 1237700, 1609010, 1647100, 1732780, 2165975, 2240237, 2252614, 3218020, 4022525, 4331950, 4480474, 4505228, 5631535, 8045050, 8663900, 8960948, 11201185, 11263070, 15681659, 16090100, 22402370, 22526140, 28157675, 29123081, 31363318, 44804740, 56005925, 56315350, 58246162, 62726636, 78408295, 112011850, 112630700, 116492324, 145615405, 156816590, 203861567, 224023700, 291230810, 313633180, 392041475, 407723134, 582461620, 728077025, 784082950, 815446268, 1019307835, 1456154050, 1568165900, 2038615670, 2912308100, 4077231340, 5096539175, 10193078350, 20386156700]

約数ペア:

[(1, 20386156700), (2, 10193078350), (4, 5096539175), (5, 4077231340), (7, 2912308100), (10, 2038615670), (13, 1568165900), (14, 1456154050), (20, 1019307835), (25, 815446268), (26, 784082950), (28, 728077025), (35, 582461620), (50, 407723134), (52, 392041475), (65, 313633180), (70, 291230810), (91, 224023700), (100, 203861567), (130, 156816590), (140, 145615405), (175, 116492324), (181, 112630700), (182, 112011850), (260, 78408295), (325, 62726636), (350, 58246162), (362, 56315350), (364, 56005925), (455, 44804740), (650, 31363318), (700, 29123081), (724, 28157675), (905, 22526140), (910, 22402370), (1267, 16090100), (1300, 15681659), (1810, 11263070), (1820, 11201185), (2275, 8960948), (2353, 8663900), (2534, 8045050), (3620, 5631535), (4525, 4505228), (4550, 4480474), (4706, 4331950), (5068, 4022525), (6335, 3218020), (9050, 2252614), (9100, 2240237), (9412, 2165975), (11765, 1732780), (12377, 1647100), (12670, 1609010), (16471, 1237700), (18100, 1126307), (23530, 866390), (24754, 823550), (25340, 804505), (31675, 643604), (32942, 618850), (47060, 433195), (49508, 411775), (58825, 346556), (61885, 329420), (63350, 321802), (65884, 309425), (82355, 247540), (86639, 235300), (117650, 173278), (123770, 164710), (126700, 160901)]