20120994420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1\times {\mathrm{3581}}^1$

素因数の和:6161

約数の個数: 96

約数和(自身を含む): 57900479616

約数和(自身を除く): 37779485196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 2531, 3581, 5062, 7162, 7593, 10124, 10743, 12655, 14324, 15186, 17905, 21486, 25310, 30372, 35810, 37965, 42972, 50620, 53715, 71620, 75930, 93647, 107430, 132497, 151860, 187294, 214860, 264994, 280941, 374588, 397491, 468235, 529988, 561882, 662485, 794982, 936470, 1123764, 1324970, 1404705, 1589964, 1872940, 1987455, 2649940, 2809410, 3974910, 5618820, 7949820, 9063511, 18127022, 27190533, 36254044, 45317555, 54381066, 90635110, 108762132, 135952665, 181270220, 271905330, 335349907, 543810660, 670699814, 1006049721, 1341399628, 1676749535, 2012099442, 3353499070, 4024198884, 5030248605, 6706998140, 10060497210, 20120994420]

約数ペア:

[(1, 20120994420), (2, 10060497210), (3, 6706998140), (4, 5030248605), (5, 4024198884), (6, 3353499070), (10, 2012099442), (12, 1676749535), (15, 1341399628), (20, 1006049721), (30, 670699814), (37, 543810660), (60, 335349907), (74, 271905330), (111, 181270220), (148, 135952665), (185, 108762132), (222, 90635110), (370, 54381066), (444, 45317555), (555, 36254044), (740, 27190533), (1110, 18127022), (2220, 9063511), (2531, 7949820), (3581, 5618820), (5062, 3974910), (7162, 2809410), (7593, 2649940), (10124, 1987455), (10743, 1872940), (12655, 1589964), (14324, 1404705), (15186, 1324970), (17905, 1123764), (21486, 936470), (25310, 794982), (30372, 662485), (35810, 561882), (37965, 529988), (42972, 468235), (50620, 397491), (53715, 374588), (71620, 280941), (75930, 264994), (93647, 214860), (107430, 187294), (132497, 151860)]