20216447277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 31196067840

約数和(自身を除く): 10979620563

約数列:

[1, 3, 13, 17, 39, 51, 89, 221, 267, 397, 663, 863, 1157, 1191, 1513, 2589, 3471, 4539, 5161, 6749, 11219, 14671, 15483, 19669, 20247, 33657, 35333, 44013, 59007, 76807, 87737, 105999, 190723, 230421, 263211, 342611, 459329, 572169, 600661, 998491, 1027833, 1305719, 1377987, 1801983, 2995473, 3917157, 4453943, 5824387, 7808593, 13361829, 16974347, 17473161, 23425779, 30492379, 50923041, 75717031, 91477137, 227151093, 396400927, 518370443, 1189202781, 1555111329, 6738815759, 20216447277]

約数ペア:

[(1, 20216447277), (3, 6738815759), (13, 1555111329), (17, 1189202781), (39, 518370443), (51, 396400927), (89, 227151093), (221, 91477137), (267, 75717031), (397, 50923041), (663, 30492379), (863, 23425779), (1157, 17473161), (1191, 16974347), (1513, 13361829), (2589, 7808593), (3471, 5824387), (4539, 4453943), (5161, 3917157), (6749, 2995473), (11219, 1801983), (14671, 1377987), (15483, 1305719), (19669, 1027833), (20247, 998491), (33657, 600661), (35333, 572169), (44013, 459329), (59007, 342611), (76807, 263211), (87737, 230421), (105999, 190723)]