20175872877

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{661}}^1$

素因数の和:1143

約数の個数: 64

約数和(自身を含む): 31115059200

約数和(自身を除く): 10939186323

約数列:

[1, 3, 9, 27, 47, 67, 141, 201, 359, 423, 603, 661, 1077, 1269, 1809, 1983, 3149, 3231, 5949, 9447, 9693, 16873, 17847, 24053, 28341, 31067, 44287, 50619, 72159, 85023, 93201, 132861, 151857, 216477, 237299, 279603, 398583, 455571, 649431, 711897, 838809, 1130491, 1195749, 2081489, 2135691, 3391473, 6244467, 6407073, 10174419, 11153053, 15899033, 18733401, 30523257, 33459159, 47697099, 56200203, 100377477, 143091297, 301132431, 429273891, 747254551, 2241763653, 6725290959, 20175872877]

約数ペア:

[(1, 20175872877), (3, 6725290959), (9, 2241763653), (27, 747254551), (47, 429273891), (67, 301132431), (141, 143091297), (201, 100377477), (359, 56200203), (423, 47697099), (603, 33459159), (661, 30523257), (1077, 18733401), (1269, 15899033), (1809, 11153053), (1983, 10174419), (3149, 6407073), (3231, 6244467), (5949, 3391473), (9447, 2135691), (9693, 2081489), (16873, 1195749), (17847, 1130491), (24053, 838809), (28341, 711897), (31067, 649431), (44287, 455571), (50619, 398583), (72159, 279603), (85023, 237299), (93201, 216477), (132861, 151857)]