20802632415

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{52391}}^1$

素因数の和:52759

約数の個数: 32

約数和(自身を含む): 33738771456

約数和(自身を除く): 12936139041

約数列:

[1, 3, 5, 15, 103, 257, 309, 515, 771, 1285, 1545, 3855, 26471, 52391, 79413, 132355, 157173, 261955, 397065, 785865, 5396273, 13464487, 16188819, 26981365, 40393461, 67322435, 80944095, 201967305, 1386842161, 4160526483, 6934210805, 20802632415]

約数ペア:

[(1, 20802632415), (3, 6934210805), (5, 4160526483), (15, 1386842161), (103, 201967305), (257, 80944095), (309, 67322435), (515, 40393461), (771, 26981365), (1285, 16188819), (1545, 13464487), (3855, 5396273), (26471, 785865), (52391, 397065), (79413, 261955), (132355, 157173)]