20198169719

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1787}}^1\times {\mathrm{4283}}^1$

素因数の和:6119

約数の個数: 32

約数和(自身を含む): 25736901120

約数和(自身を除く): 5538731401

約数列:

[1, 7, 13, 29, 91, 203, 377, 1787, 2639, 4283, 12509, 23231, 29981, 51823, 55679, 124207, 162617, 362761, 389753, 673699, 869449, 1614691, 4715893, 7653721, 11302837, 53576047, 99498373, 221957909, 696488611, 1553705363, 2885452817, 20198169719]

約数ペア:

[(1, 20198169719), (7, 2885452817), (13, 1553705363), (29, 696488611), (91, 221957909), (203, 99498373), (377, 53576047), (1787, 11302837), (2639, 7653721), (4283, 4715893), (12509, 1614691), (23231, 869449), (29981, 673699), (51823, 389753), (55679, 362761), (124207, 162617)]