20218085264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{20297}}^1\times {\mathrm{4789}}^1$

素因数の和:25107

約数の個数: 40

約数和(自身を含む): 42196700280

約数和(自身を除く): 21978615016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4789, 9578, 19156, 20297, 38312, 40594, 62257, 76624, 81188, 124514, 162376, 249028, 263861, 324752, 498056, 527722, 996112, 1055444, 2110888, 4221776, 97202333, 194404666, 388809332, 777618664, 1263630329, 1555237328, 2527260658, 5054521316, 10109042632, 20218085264]

約数ペア:

[(1, 20218085264), (2, 10109042632), (4, 5054521316), (8, 2527260658), (13, 1555237328), (16, 1263630329), (26, 777618664), (52, 388809332), (104, 194404666), (208, 97202333), (4789, 4221776), (9578, 2110888), (19156, 1055444), (20297, 996112), (38312, 527722), (40594, 498056), (62257, 324752), (76624, 263861), (81188, 249028), (124514, 162376)]