20507337480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3313}}^1\times {\mathrm{7369}}^1$

素因数の和:10703

約数の個数: 128

約数和(自身を含む): 70341638400

約数和(自身を除く): 49834300920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 3313, 6626, 7369, 9939, 13252, 14738, 16565, 19878, 22107, 23191, 26504, 29476, 33130, 36845, 39756, 44214, 46382, 49695, 51583, 58952, 66260, 69573, 73690, 79512, 88428, 92764, 99390, 103166, 110535, 115955, 132520, 139146, 147380, 154749, 176856, 185528, 198780, 206332, 221070, 231910, 257915, 278292, 294760, 309498, 347865, 397560, 412664, 442140, 463820, 515830, 556584, 618996, 695730, 773745, 884280, 927640, 1031660, 1237992, 1391460, 1547490, 2063320, 2782920, 3094980, 6189960, 24413497, 48826994, 73240491, 97653988, 122067485, 146480982, 170894479, 195307976, 244134970, 292961964, 341788958, 366202455, 488269940, 512683437, 585923928, 683577916, 732404910, 854472395, 976539880, 1025366874, 1367155832, 1464809820, 1708944790, 2050733748, 2563417185, 2929619640, 3417889580, 4101467496, 5126834370, 6835779160, 10253668740, 20507337480]

約数ペア:

[(1, 20507337480), (2, 10253668740), (3, 6835779160), (4, 5126834370), (5, 4101467496), (6, 3417889580), (7, 2929619640), (8, 2563417185), (10, 2050733748), (12, 1708944790), (14, 1464809820), (15, 1367155832), (20, 1025366874), (21, 976539880), (24, 854472395), (28, 732404910), (30, 683577916), (35, 585923928), (40, 512683437), (42, 488269940), (56, 366202455), (60, 341788958), (70, 292961964), (84, 244134970), (105, 195307976), (120, 170894479), (140, 146480982), (168, 122067485), (210, 97653988), (280, 73240491), (420, 48826994), (840, 24413497), (3313, 6189960), (6626, 3094980), (7369, 2782920), (9939, 2063320), (13252, 1547490), (14738, 1391460), (16565, 1237992), (19878, 1031660), (22107, 927640), (23191, 884280), (26504, 773745), (29476, 695730), (33130, 618996), (36845, 556584), (39756, 515830), (44214, 463820), (46382, 442140), (49695, 412664), (51583, 397560), (58952, 347865), (66260, 309498), (69573, 294760), (73690, 278292), (79512, 257915), (88428, 231910), (92764, 221070), (99390, 206332), (103166, 198780), (110535, 185528), (115955, 176856), (132520, 154749), (139146, 147380)]