20213665923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{18913}}^1$

素因数の和:19299

約数の個数: 32

約数和(自身を含む): 29741886720

約数和(自身を除く): 9528220797

約数列:

[1, 3, 11, 33, 139, 233, 417, 699, 1529, 2563, 4587, 7689, 18913, 32387, 56739, 97161, 208043, 356257, 624129, 1068771, 2628907, 4406729, 7886721, 13220187, 28917977, 48474019, 86753931, 145422057, 612535331, 1837605993, 6737888641, 20213665923]

約数ペア:

[(1, 20213665923), (3, 6737888641), (11, 1837605993), (33, 612535331), (139, 145422057), (233, 86753931), (417, 48474019), (699, 28917977), (1529, 13220187), (2563, 7886721), (4587, 4406729), (7689, 2628907), (18913, 1068771), (32387, 624129), (56739, 356257), (97161, 208043)]