20513454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1453}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 44457504

約数和(自身を除く): 23944050

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1453, 2353, 2906, 4359, 4706, 7059, 8718, 14118, 18889, 37778, 56667, 113334, 262993, 525986, 788979, 1577958, 3418909, 6837818, 10256727, 20513454]

約数ペア:

[(1, 20513454), (2, 10256727), (3, 6837818), (6, 3418909), (13, 1577958), (26, 788979), (39, 525986), (78, 262993), (181, 113334), (362, 56667), (543, 37778), (1086, 18889), (1453, 14118), (2353, 8718), (2906, 7059), (4359, 4706)]