20751043072

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 160

約数和(自身を含む): 44476439040

約数和(自身を除く): 23725395968

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 73, 92, 101, 128, 146, 184, 202, 239, 256, 292, 368, 404, 478, 512, 584, 736, 808, 956, 1168, 1472, 1616, 1679, 1912, 2323, 2336, 2944, 3232, 3358, 3824, 4646, 4672, 5497, 5888, 6464, 6716, 7373, 7648, 9292, 9344, 10994, 11776, 12928, 13432, 14746, 15296, 17447, 18584, 18688, 21988, 24139, 25856, 26864, 29492, 30592, 34894, 37168, 37376, 43976, 48278, 51712, 53728, 58984, 61184, 69788, 74336, 87952, 96556, 107456, 117968, 122368, 139576, 148672, 169579, 175904, 193112, 214912, 235936, 279152, 297344, 339158, 351808, 386224, 401281, 429824, 471872, 555197, 558304, 594688, 678316, 703616, 772448, 802562, 859648, 943744, 1110394, 1116608, 1189376, 1356632, 1407232, 1544896, 1605124, 1762147, 1887488, 2220788, 2233216, 2713264, 2814464, 3089792, 3210248, 3524294, 3774976, 4441576, 4466432, 5426528, 6179584, 6420496, 7048588, 8883152, 8932864, 10853056, 12359168, 12840992, 14097176, 17766304, 21706112, 25681984, 28194352, 35532608, 40529381, 43412224, 51363968, 56388704, 71065216, 81058762, 86824448, 102727936, 112777408, 142130432, 162117524, 205455872, 225554816, 284260864, 324235048, 451109632, 648470096, 902219264, 1296940192, 2593880384, 5187760768, 10375521536, 20751043072]

約数ペア:

[(1, 20751043072), (2, 10375521536), (4, 5187760768), (8, 2593880384), (16, 1296940192), (23, 902219264), (32, 648470096), (46, 451109632), (64, 324235048), (73, 284260864), (92, 225554816), (101, 205455872), (128, 162117524), (146, 142130432), (184, 112777408), (202, 102727936), (239, 86824448), (256, 81058762), (292, 71065216), (368, 56388704), (404, 51363968), (478, 43412224), (512, 40529381), (584, 35532608), (736, 28194352), (808, 25681984), (956, 21706112), (1168, 17766304), (1472, 14097176), (1616, 12840992), (1679, 12359168), (1912, 10853056), (2323, 8932864), (2336, 8883152), (2944, 7048588), (3232, 6420496), (3358, 6179584), (3824, 5426528), (4646, 4466432), (4672, 4441576), (5497, 3774976), (5888, 3524294), (6464, 3210248), (6716, 3089792), (7373, 2814464), (7648, 2713264), (9292, 2233216), (9344, 2220788), (10994, 1887488), (11776, 1762147), (12928, 1605124), (13432, 1544896), (14746, 1407232), (15296, 1356632), (17447, 1189376), (18584, 1116608), (18688, 1110394), (21988, 943744), (24139, 859648), (25856, 802562), (26864, 772448), (29492, 703616), (30592, 678316), (34894, 594688), (37168, 558304), (37376, 555197), (43976, 471872), (48278, 429824), (51712, 401281), (53728, 386224), (58984, 351808), (61184, 339158), (69788, 297344), (74336, 279152), (87952, 235936), (96556, 214912), (107456, 193112), (117968, 175904), (122368, 169579), (139576, 148672)]