20996858115

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{829}}^1\times {\mathrm{2003}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 36586386720

約数和(自身を除く): 15589528605

約数列:

[1, 3, 5, 9, 15, 45, 281, 829, 843, 1405, 2003, 2487, 2529, 4145, 4215, 6009, 7461, 10015, 12435, 12645, 18027, 30045, 37305, 90135, 232949, 562843, 698847, 1164745, 1660487, 1688529, 2096541, 2814215, 3494235, 4981461, 5065587, 8302435, 8442645, 10482705, 14944383, 24907305, 25327935, 74721915, 466596847, 1399790541, 2332984235, 4199371623, 6998952705, 20996858115]

約数ペア:

[(1, 20996858115), (3, 6998952705), (5, 4199371623), (9, 2332984235), (15, 1399790541), (45, 466596847), (281, 74721915), (829, 25327935), (843, 24907305), (1405, 14944383), (2003, 10482705), (2487, 8442645), (2529, 8302435), (4145, 5065587), (4215, 4981461), (6009, 3494235), (7461, 2814215), (10015, 2096541), (12435, 1688529), (12645, 1660487), (18027, 1164745), (30045, 698847), (37305, 562843), (90135, 232949)]