20798850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 51862752

約数和(自身を除く): 31063902

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 313, 443, 626, 886, 939, 1329, 1565, 1878, 2215, 2658, 3130, 4430, 4695, 6645, 7825, 9390, 11075, 13290, 15650, 22150, 23475, 33225, 46950, 66450, 138659, 277318, 415977, 693295, 831954, 1386590, 2079885, 3466475, 4159770, 6932950, 10399425, 20798850]

約数ペア:

[(1, 20798850), (2, 10399425), (3, 6932950), (5, 4159770), (6, 3466475), (10, 2079885), (15, 1386590), (25, 831954), (30, 693295), (50, 415977), (75, 277318), (150, 138659), (313, 66450), (443, 46950), (626, 33225), (886, 23475), (939, 22150), (1329, 15650), (1565, 13290), (1878, 11075), (2215, 9390), (2658, 7825), (3130, 6645), (4430, 4695)]