20161173201

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{25357}}^1$

素因数の和:25458

約数の個数: 64

約数和(自身を含む): 32377094400

約数和(自身を除く): 12215921199

約数列:

[1, 3, 13, 19, 29, 37, 39, 57, 87, 111, 247, 377, 481, 551, 703, 741, 1073, 1131, 1443, 1653, 2109, 3219, 7163, 9139, 13949, 20387, 21489, 25357, 27417, 41847, 61161, 76071, 265031, 329641, 481783, 735353, 795093, 938209, 988923, 1445349, 2206059, 2814627, 6263179, 9559589, 12196717, 13971707, 17825971, 18789537, 27208061, 28678767, 36590151, 41915121, 53477913, 81624183, 181632191, 231737623, 353704793, 516953159, 544896573, 695212869, 1061114379, 1550859477, 6720391067, 20161173201]

約数ペア:

[(1, 20161173201), (3, 6720391067), (13, 1550859477), (19, 1061114379), (29, 695212869), (37, 544896573), (39, 516953159), (57, 353704793), (87, 231737623), (111, 181632191), (247, 81624183), (377, 53477913), (481, 41915121), (551, 36590151), (703, 28678767), (741, 27208061), (1073, 18789537), (1131, 17825971), (1443, 13971707), (1653, 12196717), (2109, 9559589), (3219, 6263179), (7163, 2814627), (9139, 2206059), (13949, 1445349), (20387, 988923), (21489, 938209), (25357, 795093), (27417, 735353), (41847, 481783), (61161, 329641), (76071, 265031)]