20347875888

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{428629}}^1$

素因数の和:428706

約数の個数: 80

約数和(自身を含む): 56126526720

約数和(自身を除く): 35778650832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 516, 552, 688, 989, 1032, 1104, 1978, 2064, 2967, 3956, 5934, 7912, 11868, 15824, 23736, 47472, 428629, 857258, 1285887, 1714516, 2571774, 3429032, 5143548, 6858064, 9858467, 10287096, 18431047, 19716934, 20574192, 29575401, 36862094, 39433868, 55293141, 59150802, 73724188, 78867736, 110586282, 118301604, 147448376, 157735472, 221172564, 236603208, 294896752, 423914081, 442345128, 473206416, 847828162, 884690256, 1271742243, 1695656324, 2543484486, 3391312648, 5086968972, 6782625296, 10173937944, 20347875888]

約数ペア:

[(1, 20347875888), (2, 10173937944), (3, 6782625296), (4, 5086968972), (6, 3391312648), (8, 2543484486), (12, 1695656324), (16, 1271742243), (23, 884690256), (24, 847828162), (43, 473206416), (46, 442345128), (48, 423914081), (69, 294896752), (86, 236603208), (92, 221172564), (129, 157735472), (138, 147448376), (172, 118301604), (184, 110586282), (258, 78867736), (276, 73724188), (344, 59150802), (368, 55293141), (516, 39433868), (552, 36862094), (688, 29575401), (989, 20574192), (1032, 19716934), (1104, 18431047), (1978, 10287096), (2064, 9858467), (2967, 6858064), (3956, 5143548), (5934, 3429032), (7912, 2571774), (11868, 1714516), (15824, 1285887), (23736, 857258), (47472, 428629)]