20161173344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{65581}}^1$

素因数の和:66343

約数の個数: 48

約数和(自身を含む): 42804059760

約数和(自身を除く): 22642886416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 739, 1478, 2956, 5912, 9607, 11824, 19214, 23648, 38428, 65581, 76856, 131162, 153712, 262324, 307424, 524648, 852553, 1049296, 1705106, 2098592, 3410212, 6820424, 13640848, 27281696, 48464359, 96928718, 193857436, 387714872, 630036667, 775429744, 1260073334, 1550859488, 2520146668, 5040293336, 10080586672, 20161173344]

約数ペア:

[(1, 20161173344), (2, 10080586672), (4, 5040293336), (8, 2520146668), (13, 1550859488), (16, 1260073334), (26, 775429744), (32, 630036667), (52, 387714872), (104, 193857436), (208, 96928718), (416, 48464359), (739, 27281696), (1478, 13640848), (2956, 6820424), (5912, 3410212), (9607, 2098592), (11824, 1705106), (19214, 1049296), (23648, 852553), (38428, 524648), (65581, 307424), (76856, 262324), (131162, 153712)]