20164160

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1111

約数の個数: 56

約数和(自身を含む): 48850296

約数和(自身を除く): 28686136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1033, 1220, 1952, 2066, 2440, 3904, 4132, 4880, 5165, 8264, 9760, 10330, 16528, 19520, 20660, 33056, 41320, 63013, 66112, 82640, 126026, 165280, 252052, 315065, 330560, 504104, 630130, 1008208, 1260260, 2016416, 2520520, 4032832, 5041040, 10082080, 20164160]

約数ペア:

[(1, 20164160), (2, 10082080), (4, 5041040), (5, 4032832), (8, 2520520), (10, 2016416), (16, 1260260), (20, 1008208), (32, 630130), (40, 504104), (61, 330560), (64, 315065), (80, 252052), (122, 165280), (160, 126026), (244, 82640), (305, 66112), (320, 63013), (488, 41320), (610, 33056), (976, 20660), (1033, 19520), (1220, 16528), (1952, 10330), (2066, 9760), (2440, 8264), (3904, 5165), (4132, 4880)]