20145155680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9685171}}^1$

素因数の和:9685199

約数の個数: 48

約数和(自身を含む): 51253930224

約数和(自身を除く): 31108774544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9685171, 19370342, 38740684, 48425855, 77481368, 96851710, 125907223, 154962736, 193703420, 251814446, 309925472, 387406840, 503628892, 629536115, 774813680, 1007257784, 1259072230, 1549627360, 2014515568, 2518144460, 4029031136, 5036288920, 10072577840, 20145155680]

約数ペア:

[(1, 20145155680), (2, 10072577840), (4, 5036288920), (5, 4029031136), (8, 2518144460), (10, 2014515568), (13, 1549627360), (16, 1259072230), (20, 1007257784), (26, 774813680), (32, 629536115), (40, 503628892), (52, 387406840), (65, 309925472), (80, 251814446), (104, 193703420), (130, 154962736), (160, 125907223), (208, 96851710), (260, 77481368), (416, 48425855), (520, 38740684), (1040, 19370342), (2080, 9685171)]