20560246

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 16375754

約数列:

[1, 2, 7, 14, 29, 58, 89, 178, 203, 406, 569, 623, 1138, 1246, 2581, 3983, 5162, 7966, 16501, 18067, 33002, 36134, 50641, 101282, 115507, 231014, 354487, 708974, 1468589, 2937178, 10280123, 20560246]

約数ペア:

[(1, 20560246), (2, 10280123), (7, 2937178), (14, 1468589), (29, 708974), (58, 354487), (89, 231014), (178, 115507), (203, 101282), (406, 50641), (569, 36134), (623, 33002), (1138, 18067), (1246, 16501), (2581, 7966), (3983, 5162)]