20697277376

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{59219}}^1$

素因数の和:59401

約数の個数: 56

約数和(自身を含む): 42357934080

約数和(自身を除く): 21660656704

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 172, 254, 344, 508, 688, 1016, 1376, 2032, 2752, 4064, 5461, 8128, 10922, 21844, 43688, 59219, 87376, 118438, 174752, 236876, 349504, 473752, 947504, 1895008, 2546417, 3790016, 5092834, 7520813, 10185668, 15041626, 20371336, 30083252, 40742672, 60166504, 81485344, 120333008, 162970688, 240666016, 323394959, 481332032, 646789918, 1293579836, 2587159672, 5174319344, 10348638688, 20697277376]

約数ペア:

[(1, 20697277376), (2, 10348638688), (4, 5174319344), (8, 2587159672), (16, 1293579836), (32, 646789918), (43, 481332032), (64, 323394959), (86, 240666016), (127, 162970688), (172, 120333008), (254, 81485344), (344, 60166504), (508, 40742672), (688, 30083252), (1016, 20371336), (1376, 15041626), (2032, 10185668), (2752, 7520813), (4064, 5092834), (5461, 3790016), (8128, 2546417), (10922, 1895008), (21844, 947504), (43688, 473752), (59219, 349504), (87376, 236876), (118438, 174752)]