20805116124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{80779}}^1$

素因数の和:80939

約数の個数: 72

約数和(自身を含む): 52981340160

約数和(自身を除く): 32176224036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 169, 254, 338, 381, 507, 508, 676, 762, 1014, 1524, 1651, 2028, 3302, 4953, 6604, 9906, 19812, 21463, 42926, 64389, 80779, 85852, 128778, 161558, 242337, 257556, 323116, 484674, 969348, 1050127, 2100254, 3150381, 4200508, 6300762, 10258933, 12601524, 13651651, 20517866, 27303302, 30776799, 40954953, 41035732, 54606604, 61553598, 81909906, 123107196, 133366129, 163819812, 266732258, 400098387, 533464516, 800196774, 1600393548, 1733759677, 3467519354, 5201279031, 6935038708, 10402558062, 20805116124]

約数ペア:

[(1, 20805116124), (2, 10402558062), (3, 6935038708), (4, 5201279031), (6, 3467519354), (12, 1733759677), (13, 1600393548), (26, 800196774), (39, 533464516), (52, 400098387), (78, 266732258), (127, 163819812), (156, 133366129), (169, 123107196), (254, 81909906), (338, 61553598), (381, 54606604), (507, 41035732), (508, 40954953), (676, 30776799), (762, 27303302), (1014, 20517866), (1524, 13651651), (1651, 12601524), (2028, 10258933), (3302, 6300762), (4953, 4200508), (6604, 3150381), (9906, 2100254), (19812, 1050127), (21463, 969348), (42926, 484674), (64389, 323116), (80779, 257556), (85852, 242337), (128778, 161558)]