20042988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 36727572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 43, 62, 84, 86, 93, 124, 129, 172, 179, 186, 217, 258, 301, 358, 372, 434, 516, 537, 602, 651, 716, 868, 903, 1074, 1204, 1253, 1302, 1333, 1806, 2148, 2506, 2604, 2666, 3612, 3759, 3999, 5012, 5332, 5549, 7518, 7697, 7998, 9331, 11098, 15036, 15394, 15996, 16647, 18662, 22196, 23091, 27993, 30788, 33294, 37324, 38843, 46182, 53879, 55986, 66588, 77686, 92364, 107758, 111972, 116529, 155372, 161637, 215516, 233058, 238607, 323274, 466116, 477214, 646548, 715821, 954428, 1431642, 1670249, 2863284, 3340498, 5010747, 6680996, 10021494, 20042988]

約数ペア:

[(1, 20042988), (2, 10021494), (3, 6680996), (4, 5010747), (6, 3340498), (7, 2863284), (12, 1670249), (14, 1431642), (21, 954428), (28, 715821), (31, 646548), (42, 477214), (43, 466116), (62, 323274), (84, 238607), (86, 233058), (93, 215516), (124, 161637), (129, 155372), (172, 116529), (179, 111972), (186, 107758), (217, 92364), (258, 77686), (301, 66588), (358, 55986), (372, 53879), (434, 46182), (516, 38843), (537, 37324), (602, 33294), (651, 30788), (716, 27993), (868, 23091), (903, 22196), (1074, 18662), (1204, 16647), (1253, 15996), (1302, 15394), (1333, 15036), (1806, 11098), (2148, 9331), (2506, 7998), (2604, 7697), (2666, 7518), (3612, 5549), (3759, 5332), (3999, 5012)]