20160458188

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{653}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 38705158800

約数和(自身を除く): 18544700612

約数列:

[1, 2, 4, 13, 26, 52, 109, 169, 218, 338, 419, 436, 653, 676, 838, 1306, 1417, 1676, 2612, 2834, 5447, 5668, 8489, 10894, 16978, 18421, 21788, 33956, 36842, 45671, 70811, 71177, 73684, 91342, 110357, 141622, 142354, 182684, 220714, 273607, 283244, 284708, 441428, 547214, 593723, 925301, 1094428, 1187446, 1850602, 2374892, 3556891, 3701204, 7113782, 7718399, 12028913, 14227564, 15436798, 24057826, 29823163, 30873596, 46239583, 48115652, 59646326, 92479166, 119292652, 184958332, 387701119, 775402238, 1550804476, 5040114547, 10080229094, 20160458188]

約数ペア:

[(1, 20160458188), (2, 10080229094), (4, 5040114547), (13, 1550804476), (26, 775402238), (52, 387701119), (109, 184958332), (169, 119292652), (218, 92479166), (338, 59646326), (419, 48115652), (436, 46239583), (653, 30873596), (676, 29823163), (838, 24057826), (1306, 15436798), (1417, 14227564), (1676, 12028913), (2612, 7718399), (2834, 7113782), (5447, 3701204), (5668, 3556891), (8489, 2374892), (10894, 1850602), (16978, 1187446), (18421, 1094428), (21788, 925301), (33956, 593723), (36842, 547214), (45671, 441428), (70811, 284708), (71177, 283244), (73684, 273607), (91342, 220714), (110357, 182684), (141622, 142354)]