20349714275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1\times {\mathrm{991}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 27898214400

約数和(自身を除く): 7548500125

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 839, 979, 991, 2225, 4195, 4895, 4955, 9229, 10901, 20975, 24475, 24775, 46145, 54505, 74671, 88199, 230725, 272525, 373355, 440995, 821381, 831449, 970189, 1866775, 2204975, 4106905, 4157245, 4850945, 9145939, 20534525, 20786225, 24254725, 45729695, 73998961, 228648475, 369994805, 813988571, 1849974025, 4069942855, 20349714275]

約数ペア:

[(1, 20349714275), (5, 4069942855), (11, 1849974025), (25, 813988571), (55, 369994805), (89, 228648475), (275, 73998961), (445, 45729695), (839, 24254725), (979, 20786225), (991, 20534525), (2225, 9145939), (4195, 4850945), (4895, 4157245), (4955, 4106905), (9229, 2204975), (10901, 1866775), (20975, 970189), (24475, 831449), (24775, 821381), (46145, 440995), (54505, 373355), (74671, 272525), (88199, 230725)]