20149276690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{3989}}^1$

素因数の和:4747

約数の個数: 64

約数和(自身を含む): 39361956480

約数和(自身を除く): 19212679790

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 691, 731, 1382, 1462, 3455, 3655, 3989, 6910, 7310, 7978, 11747, 19945, 23494, 29713, 39890, 58735, 59426, 67813, 117470, 135626, 148565, 171527, 297130, 339065, 343054, 505121, 678130, 857635, 1010242, 1715270, 2525605, 2756399, 2915959, 5051210, 5512798, 5831918, 13781995, 14579795, 27563990, 29159590, 46858783, 93717566, 118525157, 234293915, 237050314, 468587830, 592625785, 1185251570, 2014927669, 4029855338, 10074638345, 20149276690]

約数ペア:

[(1, 20149276690), (2, 10074638345), (5, 4029855338), (10, 2014927669), (17, 1185251570), (34, 592625785), (43, 468587830), (85, 237050314), (86, 234293915), (170, 118525157), (215, 93717566), (430, 46858783), (691, 29159590), (731, 27563990), (1382, 14579795), (1462, 13781995), (3455, 5831918), (3655, 5512798), (3989, 5051210), (6910, 2915959), (7310, 2756399), (7978, 2525605), (11747, 1715270), (19945, 1010242), (23494, 857635), (29713, 678130), (39890, 505121), (58735, 343054), (59426, 339065), (67813, 297130), (117470, 171527), (135626, 148565)]