20512397542

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{19853}}^1$

素因数の和:20693

約数の個数: 48

約数和(自身を含む): 38594746512

約数和(自身を除く): 18082348970

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 811, 1274, 1622, 5677, 10543, 11354, 19853, 21086, 39706, 39739, 73801, 79478, 138971, 147602, 258089, 277942, 516178, 516607, 972797, 1033214, 1806623, 1945594, 3613246, 12646361, 16100783, 25292722, 32201566, 112705481, 209310179, 225410962, 418620358, 788938367, 1465171253, 1577876734, 2930342506, 10256198771, 20512397542]

約数ペア:

[(1, 20512397542), (2, 10256198771), (7, 2930342506), (13, 1577876734), (14, 1465171253), (26, 788938367), (49, 418620358), (91, 225410962), (98, 209310179), (182, 112705481), (637, 32201566), (811, 25292722), (1274, 16100783), (1622, 12646361), (5677, 3613246), (10543, 1945594), (11354, 1806623), (19853, 1033214), (21086, 972797), (39706, 516607), (39739, 516178), (73801, 277942), (79478, 258089), (138971, 147602)]