20403816225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{23593}}^1$

素因数の和:24506

約数の個数: 48

約数和(自身を含む): 36371755392

約数和(自身を除く): 15967939167

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 887, 975, 2661, 4435, 11531, 13305, 22175, 23593, 34593, 57655, 66525, 70779, 117965, 172965, 288275, 306709, 353895, 589825, 864825, 920127, 1533545, 1769475, 4600635, 7667725, 20926991, 23003175, 62780973, 104634955, 272050883, 313904865, 523174775, 816152649, 1360254415, 1569524325, 4080763245, 6801272075, 20403816225]

約数ペア:

[(1, 20403816225), (3, 6801272075), (5, 4080763245), (13, 1569524325), (15, 1360254415), (25, 816152649), (39, 523174775), (65, 313904865), (75, 272050883), (195, 104634955), (325, 62780973), (887, 23003175), (975, 20926991), (2661, 7667725), (4435, 4600635), (11531, 1769475), (13305, 1533545), (22175, 920127), (23593, 864825), (34593, 589825), (57655, 353895), (66525, 306709), (70779, 288275), (117965, 172965)]