20123983494

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{332441}}^1$

素因数の和:332530

約数の個数: 64

約数和(自身を含む): 47871648000

約数和(自身を除く): 27747664506

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 59, 114, 118, 171, 177, 342, 354, 513, 531, 1026, 1062, 1121, 1593, 2242, 3186, 3363, 6726, 10089, 20178, 30267, 60534, 332441, 664882, 997323, 1994646, 2991969, 5983938, 6316379, 8975907, 12632758, 17951814, 18949137, 19614019, 37898274, 39228038, 56847411, 58842057, 113694822, 117684114, 170542233, 176526171, 341084466, 353052342, 372666361, 529578513, 745332722, 1059157026, 1117999083, 2235998166, 3353997249, 6707994498, 10061991747, 20123983494]

約数ペア:

[(1, 20123983494), (2, 10061991747), (3, 6707994498), (6, 3353997249), (9, 2235998166), (18, 1117999083), (19, 1059157026), (27, 745332722), (38, 529578513), (54, 372666361), (57, 353052342), (59, 341084466), (114, 176526171), (118, 170542233), (171, 117684114), (177, 113694822), (342, 58842057), (354, 56847411), (513, 39228038), (531, 37898274), (1026, 19614019), (1062, 18949137), (1121, 17951814), (1593, 12632758), (2242, 8975907), (3186, 6316379), (3363, 5983938), (6726, 2991969), (10089, 1994646), (20178, 997323), (30267, 664882), (60534, 332441)]