20856176320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{8291}}^1$

素因数の和:9438

約数の個数: 112

約数和(自身を含む): 56815987968

約数和(自身を除く): 35959811648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 1123, 2240, 2246, 4492, 5615, 7861, 8291, 8984, 11230, 15722, 16582, 17968, 22460, 31444, 33164, 35936, 39305, 41455, 44920, 58037, 62888, 66328, 71872, 78610, 82910, 89840, 116074, 125776, 132656, 157220, 165820, 179680, 232148, 251552, 265312, 290185, 314440, 331640, 359360, 464296, 503104, 530624, 580370, 628880, 663280, 928592, 1160740, 1257760, 1326560, 1857184, 2321480, 2515520, 2653120, 3714368, 4642960, 9285920, 9310793, 18571840, 18621586, 37243172, 46553965, 65175551, 74486344, 93107930, 130351102, 148972688, 186215860, 260702204, 297945376, 325877755, 372431720, 521404408, 595890752, 651755510, 744863440, 1042808816, 1303511020, 1489726880, 2085617632, 2607022040, 2979453760, 4171235264, 5214044080, 10428088160, 20856176320]

約数ペア:

[(1, 20856176320), (2, 10428088160), (4, 5214044080), (5, 4171235264), (7, 2979453760), (8, 2607022040), (10, 2085617632), (14, 1489726880), (16, 1303511020), (20, 1042808816), (28, 744863440), (32, 651755510), (35, 595890752), (40, 521404408), (56, 372431720), (64, 325877755), (70, 297945376), (80, 260702204), (112, 186215860), (140, 148972688), (160, 130351102), (224, 93107930), (280, 74486344), (320, 65175551), (448, 46553965), (560, 37243172), (1120, 18621586), (1123, 18571840), (2240, 9310793), (2246, 9285920), (4492, 4642960), (5615, 3714368), (7861, 2653120), (8291, 2515520), (8984, 2321480), (11230, 1857184), (15722, 1326560), (16582, 1257760), (17968, 1160740), (22460, 928592), (31444, 663280), (33164, 628880), (35936, 580370), (39305, 530624), (41455, 503104), (44920, 464296), (58037, 359360), (62888, 331640), (66328, 314440), (71872, 290185), (78610, 265312), (82910, 251552), (89840, 232148), (116074, 179680), (125776, 165820), (132656, 157220)]