20147322475

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{22739}}^1$

素因数の和:22900

約数の個数: 48

約数和(自身を含む): 29370620160

約数和(自身を除く): 9223297685

約数列:

[1, 5, 7, 25, 35, 61, 83, 175, 305, 415, 427, 581, 1525, 2075, 2135, 2905, 5063, 10675, 14525, 22739, 25315, 35441, 113695, 126575, 159173, 177205, 568475, 795865, 886025, 1387079, 1887337, 3979325, 6935395, 9436685, 9709553, 13211359, 34676975, 47183425, 48547765, 66056795, 115127557, 242738825, 330283975, 575637785, 805892899, 2878188925, 4029464495, 20147322475]

約数ペア:

[(1, 20147322475), (5, 4029464495), (7, 2878188925), (25, 805892899), (35, 575637785), (61, 330283975), (83, 242738825), (175, 115127557), (305, 66056795), (415, 48547765), (427, 47183425), (581, 34676975), (1525, 13211359), (2075, 9709553), (2135, 9436685), (2905, 6935395), (5063, 3979325), (10675, 1887337), (14525, 1387079), (22739, 886025), (25315, 795865), (35441, 568475), (113695, 177205), (126575, 159173)]