20668753792

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:696

約数の個数: 128

約数和(自身を含む): 43452612000

約数和(自身を除く): 22783858208

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 97, 116, 128, 137, 194, 232, 274, 388, 419, 464, 548, 776, 838, 928, 1096, 1552, 1676, 1856, 2192, 2813, 3104, 3352, 3712, 3973, 4384, 5626, 6208, 6704, 7946, 8768, 11252, 12151, 12416, 13289, 13408, 15892, 17536, 22504, 24302, 26578, 26816, 31784, 40643, 45008, 48604, 53156, 53632, 57403, 63568, 81286, 90016, 97208, 106312, 114806, 127136, 162572, 180032, 194416, 212624, 229612, 254272, 325144, 360064, 385381, 388832, 425248, 459224, 508544, 650288, 770762, 777664, 850496, 918448, 1178647, 1300576, 1541524, 1555328, 1664687, 1700992, 1836896, 2357294, 2601152, 3083048, 3329374, 3673792, 4714588, 5202304, 5568091, 6166096, 6658748, 7347584, 9429176, 11136182, 12332192, 13317496, 18858352, 22272364, 24664384, 26634992, 37716704, 44544728, 49328768, 53269984, 75433408, 89089456, 106539968, 150866816, 161474639, 178178912, 213079936, 322949278, 356357824, 645898556, 712715648, 1291797112, 2583594224, 5167188448, 10334376896, 20668753792]

約数ペア:

[(1, 20668753792), (2, 10334376896), (4, 5167188448), (8, 2583594224), (16, 1291797112), (29, 712715648), (32, 645898556), (58, 356357824), (64, 322949278), (97, 213079936), (116, 178178912), (128, 161474639), (137, 150866816), (194, 106539968), (232, 89089456), (274, 75433408), (388, 53269984), (419, 49328768), (464, 44544728), (548, 37716704), (776, 26634992), (838, 24664384), (928, 22272364), (1096, 18858352), (1552, 13317496), (1676, 12332192), (1856, 11136182), (2192, 9429176), (2813, 7347584), (3104, 6658748), (3352, 6166096), (3712, 5568091), (3973, 5202304), (4384, 4714588), (5626, 3673792), (6208, 3329374), (6704, 3083048), (7946, 2601152), (8768, 2357294), (11252, 1836896), (12151, 1700992), (12416, 1664687), (13289, 1555328), (13408, 1541524), (15892, 1300576), (17536, 1178647), (22504, 918448), (24302, 850496), (26578, 777664), (26816, 770762), (31784, 650288), (40643, 508544), (45008, 459224), (48604, 425248), (53156, 388832), (53632, 385381), (57403, 360064), (63568, 325144), (81286, 254272), (90016, 229612), (97208, 212624), (106312, 194416), (114806, 180032), (127136, 162572)]