20888957328

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^2\times {\mathrm{521}}^1\times {\mathrm{1579}}^1$

素因数の和:2157

約数の個数: 120

約数和(自身を含む): 56555442720

約数和(自身を除く): 35666485392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 521, 529, 552, 1042, 1058, 1104, 1563, 1579, 1587, 2084, 2116, 3126, 3158, 3174, 4168, 4232, 4737, 6252, 6316, 6348, 8336, 8464, 9474, 11983, 12504, 12632, 12696, 18948, 23966, 25008, 25264, 25392, 35949, 36317, 37896, 47932, 71898, 72634, 75792, 95864, 108951, 143796, 145268, 191728, 217902, 275609, 287592, 290536, 435804, 551218, 575184, 581072, 822659, 826827, 835291, 871608, 1102436, 1645318, 1653654, 1670582, 1743216, 2204872, 2467977, 2505873, 3290636, 3307308, 3341164, 4409744, 4935954, 5011746, 6581272, 6614616, 6682328, 9871908, 10023492, 13162544, 13229232, 13364656, 18921157, 19743816, 20046984, 37842314, 39487632, 40093968, 56763471, 75684628, 113526942, 151369256, 227053884, 302738512, 435186611, 454107768, 870373222, 908215536, 1305559833, 1740746444, 2611119666, 3481492888, 5222239332, 6962985776, 10444478664, 20888957328]

約数ペア:

[(1, 20888957328), (2, 10444478664), (3, 6962985776), (4, 5222239332), (6, 3481492888), (8, 2611119666), (12, 1740746444), (16, 1305559833), (23, 908215536), (24, 870373222), (46, 454107768), (48, 435186611), (69, 302738512), (92, 227053884), (138, 151369256), (184, 113526942), (276, 75684628), (368, 56763471), (521, 40093968), (529, 39487632), (552, 37842314), (1042, 20046984), (1058, 19743816), (1104, 18921157), (1563, 13364656), (1579, 13229232), (1587, 13162544), (2084, 10023492), (2116, 9871908), (3126, 6682328), (3158, 6614616), (3174, 6581272), (4168, 5011746), (4232, 4935954), (4737, 4409744), (6252, 3341164), (6316, 3307308), (6348, 3290636), (8336, 2505873), (8464, 2467977), (9474, 2204872), (11983, 1743216), (12504, 1670582), (12632, 1653654), (12696, 1645318), (18948, 1102436), (23966, 871608), (25008, 835291), (25264, 826827), (25392, 822659), (35949, 581072), (36317, 575184), (37896, 551218), (47932, 435804), (71898, 290536), (72634, 287592), (75792, 275609), (95864, 217902), (108951, 191728), (143796, 145268)]