20516230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12743}}^1$

素因数の和:12780

約数の個数: 32

約数和(自身を含む): 44043264

約数和(自身を除く): 23527034

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12743, 25486, 63715, 89201, 127430, 178402, 293089, 446005, 586178, 892010, 1465445, 2051623, 2930890, 4103246, 10258115, 20516230]

約数ペア:

[(1, 20516230), (2, 10258115), (5, 4103246), (7, 2930890), (10, 2051623), (14, 1465445), (23, 892010), (35, 586178), (46, 446005), (70, 293089), (115, 178402), (161, 127430), (230, 89201), (322, 63715), (805, 25486), (1610, 12743)]