20423804510590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1\times {\mathrm{1751443}}^1$

素因数の和:1752065

約数の個数: 64

約数和(自身を含む): 39856924541952

約数和(自身を除く): 19433120031362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 331, 542, 662, 1355, 1655, 2710, 3310, 3523, 4303, 7046, 8606, 17615, 21515, 35230, 43030, 89701, 179402, 448505, 897010, 1166113, 1751443, 2332226, 3502886, 5830565, 8757215, 11661130, 17514430, 22768759, 45537518, 113843795, 227687590, 474641053, 579727633, 949282106, 1159455266, 2373205265, 2898638165, 4746410530, 5797276330, 6170333689, 7536459229, 12340667378, 15072918458, 30851668445, 37682296145, 61703336890, 75364592290, 157106188543, 314212377086, 785530942715, 1571061885430, 2042380451059, 4084760902118, 10211902255295, 20423804510590]

約数ペア:

[(1, 20423804510590), (2, 10211902255295), (5, 4084760902118), (10, 2042380451059), (13, 1571061885430), (26, 785530942715), (65, 314212377086), (130, 157106188543), (271, 75364592290), (331, 61703336890), (542, 37682296145), (662, 30851668445), (1355, 15072918458), (1655, 12340667378), (2710, 7536459229), (3310, 6170333689), (3523, 5797276330), (4303, 4746410530), (7046, 2898638165), (8606, 2373205265), (17615, 1159455266), (21515, 949282106), (35230, 579727633), (43030, 474641053), (89701, 227687590), (179402, 113843795), (448505, 45537518), (897010, 22768759), (1166113, 17514430), (1751443, 11661130), (2332226, 8757215), (3502886, 5830565)]