20190573

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 34997760

約数和(自身を除く): 14807187

約数列:

[1, 3, 9, 13, 23, 27, 39, 41, 61, 69, 117, 123, 183, 207, 299, 351, 369, 533, 549, 621, 793, 897, 943, 1107, 1403, 1599, 1647, 2379, 2501, 2691, 2829, 4209, 4797, 7137, 7503, 8073, 8487, 12259, 12627, 14391, 18239, 21411, 22509, 25461, 32513, 36777, 37881, 54717, 57523, 67527, 97539, 110331, 164151, 172569, 292617, 330993, 492453, 517707, 747799, 877851, 1553121, 2243397, 6730191, 20190573]

約数ペア:

[(1, 20190573), (3, 6730191), (9, 2243397), (13, 1553121), (23, 877851), (27, 747799), (39, 517707), (41, 492453), (61, 330993), (69, 292617), (117, 172569), (123, 164151), (183, 110331), (207, 97539), (299, 67527), (351, 57523), (369, 54717), (533, 37881), (549, 36777), (621, 32513), (793, 25461), (897, 22509), (943, 21411), (1107, 18239), (1403, 14391), (1599, 12627), (1647, 12259), (2379, 8487), (2501, 8073), (2691, 7503), (2829, 7137), (4209, 4797)]