20743128

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 70567200

約数和(自身を除く): 49824072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 119, 126, 136, 153, 162, 168, 189, 204, 216, 238, 252, 269, 306, 324, 357, 378, 408, 459, 476, 504, 538, 567, 612, 648, 714, 756, 807, 918, 952, 1071, 1076, 1134, 1224, 1377, 1428, 1512, 1614, 1836, 1883, 2142, 2152, 2268, 2421, 2754, 2856, 3213, 3228, 3672, 3766, 4284, 4536, 4573, 4842, 5508, 5649, 6426, 6456, 7263, 7532, 8568, 9146, 9639, 9684, 11016, 11298, 12852, 13719, 14526, 15064, 16947, 18292, 19278, 19368, 21789, 22596, 25704, 27438, 29052, 32011, 33894, 36584, 38556, 41157, 43578, 45192, 50841, 54876, 58104, 64022, 67788, 77112, 82314, 87156, 96033, 101682, 109752, 123471, 128044, 135576, 152523, 164628, 174312, 192066, 203364, 246942, 256088, 288099, 305046, 329256, 370413, 384132, 406728, 493884, 576198, 610092, 740826, 768264, 864297, 987768, 1152396, 1220184, 1481652, 1728594, 2304792, 2592891, 2963304, 3457188, 5185782, 6914376, 10371564, 20743128]

約数ペア:

[(1, 20743128), (2, 10371564), (3, 6914376), (4, 5185782), (6, 3457188), (7, 2963304), (8, 2592891), (9, 2304792), (12, 1728594), (14, 1481652), (17, 1220184), (18, 1152396), (21, 987768), (24, 864297), (27, 768264), (28, 740826), (34, 610092), (36, 576198), (42, 493884), (51, 406728), (54, 384132), (56, 370413), (63, 329256), (68, 305046), (72, 288099), (81, 256088), (84, 246942), (102, 203364), (108, 192066), (119, 174312), (126, 164628), (136, 152523), (153, 135576), (162, 128044), (168, 123471), (189, 109752), (204, 101682), (216, 96033), (238, 87156), (252, 82314), (269, 77112), (306, 67788), (324, 64022), (357, 58104), (378, 54876), (408, 50841), (459, 45192), (476, 43578), (504, 41157), (538, 38556), (567, 36584), (612, 33894), (648, 32011), (714, 29052), (756, 27438), (807, 25704), (918, 22596), (952, 21789), (1071, 19368), (1076, 19278), (1134, 18292), (1224, 16947), (1377, 15064), (1428, 14526), (1512, 13719), (1614, 12852), (1836, 11298), (1883, 11016), (2142, 9684), (2152, 9639), (2268, 9146), (2421, 8568), (2754, 7532), (2856, 7263), (3213, 6456), (3228, 6426), (3672, 5649), (3766, 5508), (4284, 4842), (4536, 4573)]