20165648745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1\times {\mathrm{1459}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 35478420480

約数和(自身を除く): 15312771735

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 211, 397, 633, 1055, 1191, 1459, 1985, 2321, 3165, 4367, 4377, 5955, 6963, 7295, 11605, 13101, 16049, 21835, 21885, 34815, 48147, 65505, 80245, 83767, 240735, 251301, 307849, 418835, 579223, 921437, 923547, 1256505, 1539245, 1737669, 2764311, 2896115, 3386339, 4607185, 4617735, 6371453, 8688345, 10159017, 13821555, 16931695, 19114359, 31857265, 50795085, 95571795, 122216053, 366648159, 611080265, 1344376583, 1833240795, 4033129749, 6721882915, 20165648745]

約数ペア:

[(1, 20165648745), (3, 6721882915), (5, 4033129749), (11, 1833240795), (15, 1344376583), (33, 611080265), (55, 366648159), (165, 122216053), (211, 95571795), (397, 50795085), (633, 31857265), (1055, 19114359), (1191, 16931695), (1459, 13821555), (1985, 10159017), (2321, 8688345), (3165, 6371453), (4367, 4617735), (4377, 4607185), (5955, 3386339), (6963, 2896115), (7295, 2764311), (11605, 1737669), (13101, 1539245), (16049, 1256505), (21835, 923547), (21885, 921437), (34815, 579223), (48147, 418835), (65505, 307849), (80245, 251301), (83767, 240735)]