20475312

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 65829120

約数和(自身を除く): 45353808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 19, 22, 24, 26, 33, 38, 39, 44, 48, 52, 57, 66, 76, 78, 88, 104, 114, 132, 143, 152, 156, 157, 176, 208, 209, 228, 247, 264, 286, 304, 312, 314, 418, 429, 456, 471, 494, 528, 572, 624, 627, 628, 741, 836, 858, 912, 942, 988, 1144, 1254, 1256, 1482, 1672, 1716, 1727, 1884, 1976, 2041, 2288, 2508, 2512, 2717, 2964, 2983, 3344, 3432, 3454, 3768, 3952, 4082, 5016, 5181, 5434, 5928, 5966, 6123, 6864, 6908, 7536, 8151, 8164, 8949, 10032, 10362, 10868, 11856, 11932, 12246, 13816, 16302, 16328, 17898, 20724, 21736, 22451, 23864, 24492, 27632, 32604, 32656, 32813, 35796, 38779, 41448, 43472, 44902, 47728, 48984, 65208, 65626, 67353, 71592, 77558, 82896, 89804, 97968, 98439, 116337, 130416, 131252, 134706, 143184, 155116, 179608, 196878, 232674, 262504, 269412, 310232, 359216, 393756, 426569, 465348, 525008, 538824, 620464, 787512, 853138, 930696, 1077648, 1279707, 1575024, 1706276, 1861392, 2559414, 3412552, 5118828, 6825104, 10237656, 20475312]

約数ペア:

[(1, 20475312), (2, 10237656), (3, 6825104), (4, 5118828), (6, 3412552), (8, 2559414), (11, 1861392), (12, 1706276), (13, 1575024), (16, 1279707), (19, 1077648), (22, 930696), (24, 853138), (26, 787512), (33, 620464), (38, 538824), (39, 525008), (44, 465348), (48, 426569), (52, 393756), (57, 359216), (66, 310232), (76, 269412), (78, 262504), (88, 232674), (104, 196878), (114, 179608), (132, 155116), (143, 143184), (152, 134706), (156, 131252), (157, 130416), (176, 116337), (208, 98439), (209, 97968), (228, 89804), (247, 82896), (264, 77558), (286, 71592), (304, 67353), (312, 65626), (314, 65208), (418, 48984), (429, 47728), (456, 44902), (471, 43472), (494, 41448), (528, 38779), (572, 35796), (624, 32813), (627, 32656), (628, 32604), (741, 27632), (836, 24492), (858, 23864), (912, 22451), (942, 21736), (988, 20724), (1144, 17898), (1254, 16328), (1256, 16302), (1482, 13816), (1672, 12246), (1716, 11932), (1727, 11856), (1884, 10868), (1976, 10362), (2041, 10032), (2288, 8949), (2508, 8164), (2512, 8151), (2717, 7536), (2964, 6908), (2983, 6864), (3344, 6123), (3432, 5966), (3454, 5928), (3768, 5434), (3952, 5181), (4082, 5016)]