20124776

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4641

約数の個数: 32

約数和(自身を含む): 43680000

約数和(自身を除く): 23555224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4549, 9098, 18196, 31843, 36392, 63686, 127372, 254744, 359371, 718742, 1437484, 2515597, 2874968, 5031194, 10062388, 20124776]

約数ペア:

[(1, 20124776), (2, 10062388), (4, 5031194), (7, 2874968), (8, 2515597), (14, 1437484), (28, 718742), (56, 359371), (79, 254744), (158, 127372), (316, 63686), (553, 36392), (632, 31843), (1106, 18196), (2212, 9098), (4424, 4549)]