20609978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13258822

約数列:

[1, 2, 23, 31, 46, 62, 97, 149, 194, 298, 713, 1426, 2231, 3007, 3427, 4462, 4619, 6014, 6854, 9238, 14453, 28906, 69161, 106237, 138322, 212474, 332419, 448043, 664838, 896086, 10304989, 20609978]

約数ペア:

[(1, 20609978), (2, 10304989), (23, 896086), (31, 664838), (46, 448043), (62, 332419), (97, 212474), (149, 138322), (194, 106237), (298, 69161), (713, 28906), (1426, 14453), (2231, 9238), (3007, 6854), (3427, 6014), (4462, 4619)]