20145556480

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{24439}}^1$

素因数の和:24494

約数の個数: 176

約数和(自身を含む): 57633039360

約数和(自身を除く): 37487482880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 640, 644, 736, 805, 896, 920, 1024, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2240, 2560, 2576, 2944, 3220, 3584, 3680, 4480, 5120, 5152, 5888, 6440, 7168, 7360, 8960, 10304, 11776, 12880, 14720, 17920, 20608, 23552, 24439, 25760, 29440, 35840, 41216, 48878, 51520, 58880, 82432, 97756, 103040, 117760, 122195, 164864, 171073, 195512, 206080, 244390, 342146, 391024, 412160, 488780, 562097, 684292, 782048, 824320, 855365, 977560, 1124194, 1368584, 1564096, 1710730, 1955120, 2248388, 2737168, 2810485, 3128192, 3421460, 3910240, 3934679, 4496776, 5474336, 5620970, 6256384, 6842920, 7820480, 7869358, 8993552, 10948672, 11241940, 12512768, 13685840, 15640960, 15738716, 17987104, 19673395, 21897344, 22483880, 25025536, 27371680, 31281920, 31477432, 35974208, 39346790, 43794688, 44967760, 54743360, 62563840, 62954864, 71948416, 78693580, 87589376, 89935520, 109486720, 125127680, 125909728, 143896832, 157387160, 175178752, 179871040, 218973440, 251819456, 287793664, 314774320, 359742080, 437946880, 503638912, 575587328, 629548640, 719484160, 875893760, 1007277824, 1259097280, 1438968320, 2014555648, 2518194560, 2877936640, 4029111296, 5036389120, 10072778240, 20145556480]

約数ペア:

[(1, 20145556480), (2, 10072778240), (4, 5036389120), (5, 4029111296), (7, 2877936640), (8, 2518194560), (10, 2014555648), (14, 1438968320), (16, 1259097280), (20, 1007277824), (23, 875893760), (28, 719484160), (32, 629548640), (35, 575587328), (40, 503638912), (46, 437946880), (56, 359742080), (64, 314774320), (70, 287793664), (80, 251819456), (92, 218973440), (112, 179871040), (115, 175178752), (128, 157387160), (140, 143896832), (160, 125909728), (161, 125127680), (184, 109486720), (224, 89935520), (230, 87589376), (256, 78693580), (280, 71948416), (320, 62954864), (322, 62563840), (368, 54743360), (448, 44967760), (460, 43794688), (512, 39346790), (560, 35974208), (640, 31477432), (644, 31281920), (736, 27371680), (805, 25025536), (896, 22483880), (920, 21897344), (1024, 19673395), (1120, 17987104), (1280, 15738716), (1288, 15640960), (1472, 13685840), (1610, 12512768), (1792, 11241940), (1840, 10948672), (2240, 8993552), (2560, 7869358), (2576, 7820480), (2944, 6842920), (3220, 6256384), (3584, 5620970), (3680, 5474336), (4480, 4496776), (5120, 3934679), (5152, 3910240), (5888, 3421460), (6440, 3128192), (7168, 2810485), (7360, 2737168), (8960, 2248388), (10304, 1955120), (11776, 1710730), (12880, 1564096), (14720, 1368584), (17920, 1124194), (20608, 977560), (23552, 855365), (24439, 824320), (25760, 782048), (29440, 684292), (35840, 562097), (41216, 488780), (48878, 412160), (51520, 391024), (58880, 342146), (82432, 244390), (97756, 206080), (103040, 195512), (117760, 171073), (122195, 164864)]