20183666560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{72167}}^1$

素因数の和:72228

約数の個数: 128

約数和(自身を含む): 53000179200

約数和(自身を除く): 32816512640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 640, 736, 760, 874, 920, 1216, 1472, 1520, 1748, 1840, 2185, 2432, 2944, 3040, 3496, 3680, 4370, 6080, 6992, 7360, 8740, 12160, 13984, 14720, 17480, 27968, 34960, 55936, 69920, 72167, 139840, 144334, 279680, 288668, 360835, 577336, 721670, 1154672, 1371173, 1443340, 1659841, 2309344, 2742346, 2886680, 3319682, 4618688, 5484692, 5773360, 6639364, 6855865, 8299205, 9237376, 10969384, 11546720, 13278728, 13711730, 16598410, 21938768, 23093440, 26557456, 27423460, 31536979, 33196820, 43877536, 46186880, 53114912, 54846920, 63073958, 66393640, 87755072, 106229824, 109693840, 126147916, 132787280, 157684895, 175510144, 212459648, 219387680, 252295832, 265574560, 315369790, 438775360, 504591664, 531149120, 630739580, 877550720, 1009183328, 1062298240, 1261479160, 2018366656, 2522958320, 4036733312, 5045916640, 10091833280, 20183666560]

約数ペア:

[(1, 20183666560), (2, 10091833280), (4, 5045916640), (5, 4036733312), (8, 2522958320), (10, 2018366656), (16, 1261479160), (19, 1062298240), (20, 1009183328), (23, 877550720), (32, 630739580), (38, 531149120), (40, 504591664), (46, 438775360), (64, 315369790), (76, 265574560), (80, 252295832), (92, 219387680), (95, 212459648), (115, 175510144), (128, 157684895), (152, 132787280), (160, 126147916), (184, 109693840), (190, 106229824), (230, 87755072), (304, 66393640), (320, 63073958), (368, 54846920), (380, 53114912), (437, 46186880), (460, 43877536), (608, 33196820), (640, 31536979), (736, 27423460), (760, 26557456), (874, 23093440), (920, 21938768), (1216, 16598410), (1472, 13711730), (1520, 13278728), (1748, 11546720), (1840, 10969384), (2185, 9237376), (2432, 8299205), (2944, 6855865), (3040, 6639364), (3496, 5773360), (3680, 5484692), (4370, 4618688), (6080, 3319682), (6992, 2886680), (7360, 2742346), (8740, 2309344), (12160, 1659841), (13984, 1443340), (14720, 1371173), (17480, 1154672), (27968, 721670), (34960, 577336), (55936, 360835), (69920, 288668), (72167, 279680), (139840, 144334)]