20148653476

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{137827}}^1$

素因数の和:138088

約数の個数: 48

約数和(自身を含む): 42234909696

約数和(自身を除く): 22086256220

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 227, 322, 454, 644, 908, 1589, 3178, 5221, 6356, 10442, 20884, 36547, 73094, 137827, 146188, 275654, 551308, 964789, 1929578, 3170021, 3859156, 6340042, 12680084, 22190147, 31286729, 44380294, 62573458, 88760588, 125146916, 219007103, 438014206, 719594767, 876028412, 1439189534, 2878379068, 5037163369, 10074326738, 20148653476]

約数ペア:

[(1, 20148653476), (2, 10074326738), (4, 5037163369), (7, 2878379068), (14, 1439189534), (23, 876028412), (28, 719594767), (46, 438014206), (92, 219007103), (161, 125146916), (227, 88760588), (322, 62573458), (454, 44380294), (644, 31286729), (908, 22190147), (1589, 12680084), (3178, 6340042), (5221, 3859156), (6356, 3170021), (10442, 1929578), (20884, 964789), (36547, 551308), (73094, 275654), (137827, 146188)]