20872296

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1447

約数の個数: 64

約数和(自身を含む): 58838400

約数和(自身を除く): 37966104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1361, 1704, 1917, 2556, 2722, 3834, 4083, 5112, 5444, 7668, 8166, 10888, 12249, 15336, 16332, 24498, 32664, 36747, 48996, 73494, 96631, 97992, 146988, 193262, 289893, 293976, 386524, 579786, 773048, 869679, 1159572, 1739358, 2319144, 2609037, 3478716, 5218074, 6957432, 10436148, 20872296]

約数ペア:

[(1, 20872296), (2, 10436148), (3, 6957432), (4, 5218074), (6, 3478716), (8, 2609037), (9, 2319144), (12, 1739358), (18, 1159572), (24, 869679), (27, 773048), (36, 579786), (54, 386524), (71, 293976), (72, 289893), (108, 193262), (142, 146988), (213, 97992), (216, 96631), (284, 73494), (426, 48996), (568, 36747), (639, 32664), (852, 24498), (1278, 16332), (1361, 15336), (1704, 12249), (1917, 10888), (2556, 8166), (2722, 7668), (3834, 5444), (4083, 5112)]