20038536

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 65952000

約数和(自身を除く): 45913464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 29, 36, 42, 54, 56, 58, 63, 72, 84, 87, 108, 116, 126, 168, 174, 189, 203, 216, 232, 252, 261, 348, 378, 406, 457, 504, 522, 609, 696, 756, 783, 812, 914, 1044, 1218, 1371, 1512, 1566, 1624, 1827, 1828, 2088, 2436, 2742, 3132, 3199, 3654, 3656, 4113, 4872, 5481, 5484, 6264, 6398, 7308, 8226, 9597, 10962, 10968, 12339, 12796, 13253, 14616, 16452, 19194, 21924, 24678, 25592, 26506, 28791, 32904, 38388, 39759, 43848, 49356, 53012, 57582, 76776, 79518, 86373, 92771, 98712, 106024, 115164, 119277, 159036, 172746, 185542, 230328, 238554, 278313, 318072, 345492, 357831, 371084, 477108, 556626, 690984, 715662, 742168, 834939, 954216, 1113252, 1431324, 1669878, 2226504, 2504817, 2862648, 3339756, 5009634, 6679512, 10019268, 20038536]

約数ペア:

[(1, 20038536), (2, 10019268), (3, 6679512), (4, 5009634), (6, 3339756), (7, 2862648), (8, 2504817), (9, 2226504), (12, 1669878), (14, 1431324), (18, 1113252), (21, 954216), (24, 834939), (27, 742168), (28, 715662), (29, 690984), (36, 556626), (42, 477108), (54, 371084), (56, 357831), (58, 345492), (63, 318072), (72, 278313), (84, 238554), (87, 230328), (108, 185542), (116, 172746), (126, 159036), (168, 119277), (174, 115164), (189, 106024), (203, 98712), (216, 92771), (232, 86373), (252, 79518), (261, 76776), (348, 57582), (378, 53012), (406, 49356), (457, 43848), (504, 39759), (522, 38388), (609, 32904), (696, 28791), (756, 26506), (783, 25592), (812, 24678), (914, 21924), (1044, 19194), (1218, 16452), (1371, 14616), (1512, 13253), (1566, 12796), (1624, 12339), (1827, 10968), (1828, 10962), (2088, 9597), (2436, 8226), (2742, 7308), (3132, 6398), (3199, 6264), (3654, 5484), (3656, 5481), (4113, 4872)]