20378952

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1\times {\mathrm{953}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 62506080

約数和(自身を除く): 42127128

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 243, 264, 297, 324, 396, 486, 594, 648, 792, 891, 953, 972, 1188, 1782, 1906, 1944, 2376, 2673, 2859, 3564, 3812, 5346, 5718, 7128, 7624, 8577, 10483, 10692, 11436, 17154, 20966, 21384, 22872, 25731, 31449, 34308, 41932, 51462, 62898, 68616, 77193, 83864, 94347, 102924, 125796, 154386, 188694, 205848, 231579, 251592, 283041, 308772, 377388, 463158, 566082, 617544, 754776, 849123, 926316, 1132164, 1698246, 1852632, 2264328, 2547369, 3396492, 5094738, 6792984, 10189476, 20378952]

約数ペア:

[(1, 20378952), (2, 10189476), (3, 6792984), (4, 5094738), (6, 3396492), (8, 2547369), (9, 2264328), (11, 1852632), (12, 1698246), (18, 1132164), (22, 926316), (24, 849123), (27, 754776), (33, 617544), (36, 566082), (44, 463158), (54, 377388), (66, 308772), (72, 283041), (81, 251592), (88, 231579), (99, 205848), (108, 188694), (132, 154386), (162, 125796), (198, 102924), (216, 94347), (243, 83864), (264, 77193), (297, 68616), (324, 62898), (396, 51462), (486, 41932), (594, 34308), (648, 31449), (792, 25731), (891, 22872), (953, 21384), (972, 20966), (1188, 17154), (1782, 11436), (1906, 10692), (1944, 10483), (2376, 8577), (2673, 7624), (2859, 7128), (3564, 5718), (3812, 5346)]