20163471237

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{3061}}^1$

素因数の和:3480

約数の個数: 96

約数和(自身を含む): 37531791360

約数和(自身を除く): 17368320123

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 383, 441, 637, 819, 1149, 1323, 1911, 2457, 2681, 3061, 3447, 4979, 5733, 8043, 9183, 10341, 14937, 17199, 18767, 21427, 24129, 27549, 34853, 39793, 44811, 56301, 64281, 72387, 82647, 104559, 119379, 134433, 149989, 168903, 192843, 243971, 278551, 313677, 358137, 449967, 506709, 578529, 731913, 835653, 941031, 1074411, 1172363, 1349901, 1949857, 2195739, 2506959, 3517089, 4049703, 5849571, 6587217, 7520877, 8206541, 10551267, 15240719, 17548713, 24619623, 31653801, 45722157, 52646139, 57445787, 73858869, 106685033, 137166471, 172337361, 221576607, 320055099, 411499413, 517012083, 746795231, 960165297, 1551036249, 2240385693, 2880495891, 6721157079, 20163471237]

約数ペア:

[(1, 20163471237), (3, 6721157079), (7, 2880495891), (9, 2240385693), (13, 1551036249), (21, 960165297), (27, 746795231), (39, 517012083), (49, 411499413), (63, 320055099), (91, 221576607), (117, 172337361), (147, 137166471), (189, 106685033), (273, 73858869), (351, 57445787), (383, 52646139), (441, 45722157), (637, 31653801), (819, 24619623), (1149, 17548713), (1323, 15240719), (1911, 10551267), (2457, 8206541), (2681, 7520877), (3061, 6587217), (3447, 5849571), (4979, 4049703), (5733, 3517089), (8043, 2506959), (9183, 2195739), (10341, 1949857), (14937, 1349901), (17199, 1172363), (18767, 1074411), (21427, 941031), (24129, 835653), (27549, 731913), (34853, 578529), (39793, 506709), (44811, 449967), (56301, 358137), (64281, 313677), (72387, 278551), (82647, 243971), (104559, 192843), (119379, 168903), (134433, 149989)]