19770575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4229}}^1$

素因数の和:4267

約数の個数: 24

約数和(自身を含む): 28324080

約数和(自身を除く): 8553505

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4229, 4675, 21145, 46519, 71893, 105725, 232595, 359465, 790823, 1162975, 1797325, 3954115, 19770575]

約数ペア:

[(1, 19770575), (5, 3954115), (11, 1797325), (17, 1162975), (25, 790823), (55, 359465), (85, 232595), (187, 105725), (275, 71893), (425, 46519), (935, 21145), (4229, 4675)]