20783812036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{25073}}^1$

素因数の和:25948

約数の個数: 48

約数和(自身を含む): 41281833600

約数和(自身を除く): 20498021564

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 839, 988, 1678, 3356, 10907, 15941, 21814, 25073, 31882, 43628, 50146, 63764, 100292, 207233, 325949, 414466, 476387, 651898, 828932, 952774, 1303796, 1905548, 6193031, 12386062, 21036247, 24772124, 42072494, 84144988, 273471211, 399688693, 546942422, 799377386, 1093884844, 1598754772, 5195953009, 10391906018, 20783812036]

約数ペア:

[(1, 20783812036), (2, 10391906018), (4, 5195953009), (13, 1598754772), (19, 1093884844), (26, 799377386), (38, 546942422), (52, 399688693), (76, 273471211), (247, 84144988), (494, 42072494), (839, 24772124), (988, 21036247), (1678, 12386062), (3356, 6193031), (10907, 1905548), (15941, 1303796), (21814, 952774), (25073, 828932), (31882, 651898), (43628, 476387), (50146, 414466), (63764, 325949), (100292, 207233)]