20120123121

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2777}}^1\times {\mathrm{11897}}^1$

素因数の和:14713

約数の個数: 32

約数和(自身を含む): 31730538240

約数和(自身を除く): 11610415119

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 2777, 8331, 11897, 19439, 35691, 58317, 80533, 83279, 241599, 249837, 345013, 563731, 1035039, 1691193, 2415091, 7245273, 33037969, 99113907, 231265783, 693797349, 958101101, 2874303303, 6706707707, 20120123121]

約数ペア:

[(1, 20120123121), (3, 6706707707), (7, 2874303303), (21, 958101101), (29, 693797349), (87, 231265783), (203, 99113907), (609, 33037969), (2777, 7245273), (8331, 2415091), (11897, 1691193), (19439, 1035039), (35691, 563731), (58317, 345013), (80533, 249837), (83279, 241599)]