20451811000322

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{773}}^1\times {\mathrm{8089}}^1\times {\mathrm{9677}}^1$

素因数の和:18567

約数の個数: 48

約数和(自身を含む): 33269589668520

約数和(自身を除く): 12817778668198

約数列:

[1, 2, 13, 26, 169, 338, 773, 1546, 8089, 9677, 10049, 16178, 19354, 20098, 105157, 125801, 130637, 210314, 251602, 261274, 1367041, 1635413, 2734082, 3270826, 6252797, 7480321, 12505594, 14960642, 78277253, 81286361, 97244173, 156554506, 162572722, 194488346, 1017604289, 1056722693, 1264174249, 2035208578, 2113445386, 2528348498, 13228855757, 26457711514, 60508316569, 121016633138, 786608115397, 1573216230794, 10225905500161, 20451811000322]

約数ペア:

[(1, 20451811000322), (2, 10225905500161), (13, 1573216230794), (26, 786608115397), (169, 121016633138), (338, 60508316569), (773, 26457711514), (1546, 13228855757), (8089, 2528348498), (9677, 2113445386), (10049, 2035208578), (16178, 1264174249), (19354, 1056722693), (20098, 1017604289), (105157, 194488346), (125801, 162572722), (130637, 156554506), (210314, 97244173), (251602, 81286361), (261274, 78277253), (1367041, 14960642), (1635413, 12505594), (2734082, 7480321), (3270826, 6252797)]