20453120

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:98

約数の個数: 108

約数和(自身を含む): 53409720

約数和(自身を除く): 32956600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 256, 290, 304, 320, 380, 464, 551, 580, 608, 640, 760, 841, 928, 1102, 1160, 1216, 1280, 1520, 1682, 1856, 2204, 2320, 2432, 2755, 3040, 3364, 3712, 4205, 4408, 4640, 4864, 5510, 6080, 6728, 7424, 8410, 8816, 9280, 11020, 12160, 13456, 15979, 16820, 17632, 18560, 22040, 24320, 26912, 31958, 33640, 35264, 37120, 44080, 53824, 63916, 67280, 70528, 79895, 88160, 107648, 127832, 134560, 141056, 159790, 176320, 215296, 255664, 269120, 319580, 352640, 511328, 538240, 639160, 705280, 1022656, 1076480, 1278320, 2045312, 2556640, 4090624, 5113280, 10226560, 20453120]

約数ペア:

[(1, 20453120), (2, 10226560), (4, 5113280), (5, 4090624), (8, 2556640), (10, 2045312), (16, 1278320), (19, 1076480), (20, 1022656), (29, 705280), (32, 639160), (38, 538240), (40, 511328), (58, 352640), (64, 319580), (76, 269120), (80, 255664), (95, 215296), (116, 176320), (128, 159790), (145, 141056), (152, 134560), (160, 127832), (190, 107648), (232, 88160), (256, 79895), (290, 70528), (304, 67280), (320, 63916), (380, 53824), (464, 44080), (551, 37120), (580, 35264), (608, 33640), (640, 31958), (760, 26912), (841, 24320), (928, 22040), (1102, 18560), (1160, 17632), (1216, 16820), (1280, 15979), (1520, 13456), (1682, 12160), (1856, 11020), (2204, 9280), (2320, 8816), (2432, 8410), (2755, 7424), (3040, 6728), (3364, 6080), (3712, 5510), (4205, 4864), (4408, 4640)]