20305087686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1637243}}^1$

素因数の和:1637317

約数の個数: 48

約数和(自身を含む): 48272502096

約数和(自身を除く): 27967414410

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 2067, 4134, 6201, 12402, 1637243, 3274486, 4911729, 9823458, 14735187, 21284159, 29470374, 42568318, 63852477, 86773879, 127704954, 173547758, 191557431, 260321637, 383114862, 520643274, 780964911, 1128060427, 1561929822, 2256120854, 3384181281, 6768362562, 10152543843, 20305087686]

約数ペア:

[(1, 20305087686), (2, 10152543843), (3, 6768362562), (6, 3384181281), (9, 2256120854), (13, 1561929822), (18, 1128060427), (26, 780964911), (39, 520643274), (53, 383114862), (78, 260321637), (106, 191557431), (117, 173547758), (159, 127704954), (234, 86773879), (318, 63852477), (477, 42568318), (689, 29470374), (954, 21284159), (1378, 14735187), (2067, 9823458), (4134, 4911729), (6201, 3274486), (12402, 1637243)]