20078744

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25886056

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 113, 133, 152, 167, 226, 266, 334, 452, 532, 668, 791, 904, 1064, 1169, 1336, 1582, 2147, 2338, 3164, 3173, 4294, 4676, 6328, 6346, 8588, 9352, 12692, 15029, 17176, 18871, 22211, 25384, 30058, 37742, 44422, 60116, 75484, 88844, 120232, 132097, 150968, 177688, 264194, 358549, 528388, 717098, 1056776, 1434196, 2509843, 2868392, 5019686, 10039372, 20078744]

約数ペア:

[(1, 20078744), (2, 10039372), (4, 5019686), (7, 2868392), (8, 2509843), (14, 1434196), (19, 1056776), (28, 717098), (38, 528388), (56, 358549), (76, 264194), (113, 177688), (133, 150968), (152, 132097), (167, 120232), (226, 88844), (266, 75484), (334, 60116), (452, 44422), (532, 37742), (668, 30058), (791, 25384), (904, 22211), (1064, 18871), (1169, 17176), (1336, 15029), (1582, 12692), (2147, 9352), (2338, 8588), (3164, 6346), (3173, 6328), (4294, 4676)]