20176901480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{22189}}^1$

素因数の和:22506

約数の個数: 64

約数和(自身を含む): 46013184000

約数和(自身を除く): 25836282520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 179, 254, 358, 508, 635, 716, 895, 1016, 1270, 1432, 1790, 2540, 3580, 5080, 7160, 22189, 22733, 44378, 45466, 88756, 90932, 110945, 113665, 177512, 181864, 221890, 227330, 443780, 454660, 887560, 909320, 2818003, 3971831, 5636006, 7943662, 11272012, 14090015, 15887324, 19859155, 22544024, 28180030, 31774648, 39718310, 56360060, 79436620, 112720120, 158873240, 504422537, 1008845074, 2017690148, 2522112685, 4035380296, 5044225370, 10088450740, 20176901480]

約数ペア:

[(1, 20176901480), (2, 10088450740), (4, 5044225370), (5, 4035380296), (8, 2522112685), (10, 2017690148), (20, 1008845074), (40, 504422537), (127, 158873240), (179, 112720120), (254, 79436620), (358, 56360060), (508, 39718310), (635, 31774648), (716, 28180030), (895, 22544024), (1016, 19859155), (1270, 15887324), (1432, 14090015), (1790, 11272012), (2540, 7943662), (3580, 5636006), (5080, 3971831), (7160, 2818003), (22189, 909320), (22733, 887560), (44378, 454660), (45466, 443780), (88756, 227330), (90932, 221890), (110945, 181864), (113665, 177512)]