20616648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:88

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 41072952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 23, 24, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 169, 184, 204, 221, 276, 299, 312, 338, 391, 408, 442, 507, 552, 598, 663, 676, 782, 884, 897, 1014, 1173, 1196, 1326, 1352, 1564, 1768, 1794, 2028, 2197, 2346, 2392, 2652, 2873, 3128, 3588, 3887, 4056, 4394, 4692, 5083, 5304, 5746, 6591, 7176, 7774, 8619, 8788, 9384, 10166, 11492, 11661, 13182, 15249, 15548, 17238, 17576, 20332, 22984, 23322, 26364, 30498, 31096, 34476, 37349, 40664, 46644, 50531, 52728, 60996, 66079, 68952, 74698, 93288, 101062, 112047, 121992, 132158, 149396, 151593, 198237, 202124, 224094, 264316, 298792, 303186, 396474, 404248, 448188, 528632, 606372, 792948, 859027, 896376, 1212744, 1585896, 1718054, 2577081, 3436108, 5154162, 6872216, 10308324, 20616648]

約数ペア:

[(1, 20616648), (2, 10308324), (3, 6872216), (4, 5154162), (6, 3436108), (8, 2577081), (12, 1718054), (13, 1585896), (17, 1212744), (23, 896376), (24, 859027), (26, 792948), (34, 606372), (39, 528632), (46, 448188), (51, 404248), (52, 396474), (68, 303186), (69, 298792), (78, 264316), (92, 224094), (102, 202124), (104, 198237), (136, 151593), (138, 149396), (156, 132158), (169, 121992), (184, 112047), (204, 101062), (221, 93288), (276, 74698), (299, 68952), (312, 66079), (338, 60996), (391, 52728), (408, 50531), (442, 46644), (507, 40664), (552, 37349), (598, 34476), (663, 31096), (676, 30498), (782, 26364), (884, 23322), (897, 22984), (1014, 20332), (1173, 17576), (1196, 17238), (1326, 15548), (1352, 15249), (1564, 13182), (1768, 11661), (1794, 11492), (2028, 10166), (2197, 9384), (2346, 8788), (2392, 8619), (2652, 7774), (2873, 7176), (3128, 6591), (3588, 5746), (3887, 5304), (4056, 5083), (4394, 4692)]