20943363

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 33656832

約数和(自身を除く): 12713469

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 331, 393, 483, 917, 993, 2317, 2751, 3013, 6951, 7613, 9039, 21091, 22839, 43361, 53291, 63273, 130083, 159873, 303527, 910581, 997303, 2991909, 6981121, 20943363]

約数ペア:

[(1, 20943363), (3, 6981121), (7, 2991909), (21, 997303), (23, 910581), (69, 303527), (131, 159873), (161, 130083), (331, 63273), (393, 53291), (483, 43361), (917, 22839), (993, 21091), (2317, 9039), (2751, 7613), (3013, 6951)]