20687564955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1\times {\mathrm{1753}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 35077754880

約数和(自身を除く): 14390189925

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 619, 1271, 1753, 1857, 3095, 3813, 5259, 6355, 8765, 9285, 19065, 19189, 25379, 26295, 54343, 57567, 71873, 76137, 95945, 126895, 163029, 215619, 271715, 287835, 359365, 380685, 786749, 815145, 1078095, 1085107, 2228063, 2360247, 3255321, 3933745, 5425535, 6684189, 11140315, 11801235, 16276605, 33420945, 33638317, 44489387, 100914951, 133468161, 168191585, 222446935, 504574755, 667340805, 1379170997, 4137512991, 6895854985, 20687564955]

約数ペア:

[(1, 20687564955), (3, 6895854985), (5, 4137512991), (15, 1379170997), (31, 667340805), (41, 504574755), (93, 222446935), (123, 168191585), (155, 133468161), (205, 100914951), (465, 44489387), (615, 33638317), (619, 33420945), (1271, 16276605), (1753, 11801235), (1857, 11140315), (3095, 6684189), (3813, 5425535), (5259, 3933745), (6355, 3255321), (8765, 2360247), (9285, 2228063), (19065, 1085107), (19189, 1078095), (25379, 815145), (26295, 786749), (54343, 380685), (57567, 359365), (71873, 287835), (76137, 271715), (95945, 215619), (126895, 163029)]