20114038515

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{947}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 33647477760

約数和(自身を除く): 13533439245

約数列:

[1, 3, 5, 15, 29, 87, 145, 157, 311, 435, 471, 785, 933, 947, 1555, 2355, 2841, 4553, 4665, 4735, 9019, 13659, 14205, 22765, 27057, 27463, 45095, 48827, 68295, 82389, 135285, 137315, 146481, 148679, 244135, 294517, 411945, 446037, 732405, 743395, 883551, 1415983, 1472585, 2230185, 4247949, 4311691, 4417755, 7079915, 8540993, 12935073, 21239745, 21558455, 25622979, 42704965, 46239169, 64675365, 128114895, 138717507, 231195845, 693587535, 1340935901, 4022807703, 6704679505, 20114038515]

約数ペア:

[(1, 20114038515), (3, 6704679505), (5, 4022807703), (15, 1340935901), (29, 693587535), (87, 231195845), (145, 138717507), (157, 128114895), (311, 64675365), (435, 46239169), (471, 42704965), (785, 25622979), (933, 21558455), (947, 21239745), (1555, 12935073), (2355, 8540993), (2841, 7079915), (4553, 4417755), (4665, 4311691), (4735, 4247949), (9019, 2230185), (13659, 1472585), (14205, 1415983), (22765, 883551), (27057, 743395), (27463, 732405), (45095, 446037), (48827, 411945), (68295, 294517), (82389, 244135), (135285, 148679), (137315, 146481)]