20204115

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 33426432

約数和(自身を除く): 13222317

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 305, 311, 355, 915, 933, 1065, 1555, 4331, 4665, 12993, 18971, 21655, 22081, 56913, 64965, 66243, 94855, 110405, 284565, 331215, 1346941, 4040823, 6734705, 20204115]

約数ペア:

[(1, 20204115), (3, 6734705), (5, 4040823), (15, 1346941), (61, 331215), (71, 284565), (183, 110405), (213, 94855), (305, 66243), (311, 64965), (355, 56913), (915, 22081), (933, 21655), (1065, 18971), (1555, 12993), (4331, 4665)]