20113376420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1\times {\mathrm{7243}}^1$

素因数の和:10524

約数の個数: 48

約数和(自身を含む): 43239725760

約数和(自身を除く): 23126349340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3229, 6458, 7243, 12916, 14486, 16145, 28972, 32290, 36215, 64580, 72430, 138847, 144860, 277694, 311449, 555388, 622898, 694235, 1245796, 1388470, 1557245, 2776940, 3114490, 6228980, 23387647, 46775294, 93550588, 116938235, 233876470, 467752940, 1005668821, 2011337642, 4022675284, 5028344105, 10056688210, 20113376420]

約数ペア:

[(1, 20113376420), (2, 10056688210), (4, 5028344105), (5, 4022675284), (10, 2011337642), (20, 1005668821), (43, 467752940), (86, 233876470), (172, 116938235), (215, 93550588), (430, 46775294), (860, 23387647), (3229, 6228980), (6458, 3114490), (7243, 2776940), (12916, 1557245), (14486, 1388470), (16145, 1245796), (28972, 694235), (32290, 622898), (36215, 555388), (64580, 311449), (72430, 277694), (138847, 144860)]