20353760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1069}}^1$

素因数の和:1108

約数の個数: 96

約数和(自身を含む): 58242240

約数和(自身を除く): 37888480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1069, 1120, 1190, 1360, 1904, 2138, 2380, 2720, 3808, 4276, 4760, 5345, 7483, 8552, 9520, 10690, 14966, 17104, 18173, 19040, 21380, 29932, 34208, 36346, 37415, 42760, 59864, 72692, 74830, 85520, 90865, 119728, 127211, 145384, 149660, 171040, 181730, 239456, 254422, 290768, 299320, 363460, 508844, 581536, 598640, 636055, 726920, 1017688, 1197280, 1272110, 1453840, 2035376, 2544220, 2907680, 4070752, 5088440, 10176880, 20353760]

約数ペア:

[(1, 20353760), (2, 10176880), (4, 5088440), (5, 4070752), (7, 2907680), (8, 2544220), (10, 2035376), (14, 1453840), (16, 1272110), (17, 1197280), (20, 1017688), (28, 726920), (32, 636055), (34, 598640), (35, 581536), (40, 508844), (56, 363460), (68, 299320), (70, 290768), (80, 254422), (85, 239456), (112, 181730), (119, 171040), (136, 149660), (140, 145384), (160, 127211), (170, 119728), (224, 90865), (238, 85520), (272, 74830), (280, 72692), (340, 59864), (476, 42760), (544, 37415), (560, 36346), (595, 34208), (680, 29932), (952, 21380), (1069, 19040), (1120, 18173), (1190, 17104), (1360, 14966), (1904, 10690), (2138, 9520), (2380, 8552), (2720, 7483), (3808, 5345), (4276, 4760)]