20567253025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{30539}}^1$

素因数の和:30670

約数の個数: 48

約数和(自身を含む): 29083852800

約数和(自身を除く): 8516599775

約数列:

[1, 5, 11, 25, 31, 55, 79, 155, 275, 341, 395, 775, 869, 1705, 1975, 2449, 4345, 8525, 12245, 21725, 26939, 30539, 61225, 134695, 152695, 335929, 673475, 763475, 946709, 1679645, 2412581, 4733545, 8398225, 10413799, 12062905, 23667725, 26538391, 52068995, 60314525, 74790011, 132691955, 260344975, 373950055, 663459775, 822690121, 1869750275, 4113450605, 20567253025]

約数ペア:

[(1, 20567253025), (5, 4113450605), (11, 1869750275), (25, 822690121), (31, 663459775), (55, 373950055), (79, 260344975), (155, 132691955), (275, 74790011), (341, 60314525), (395, 52068995), (775, 26538391), (869, 23667725), (1705, 12062905), (1975, 10413799), (2449, 8398225), (4345, 4733545), (8525, 2412581), (12245, 1679645), (21725, 946709), (26939, 763475), (30539, 673475), (61225, 335929), (134695, 152695)]