20144533255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1\times {\mathrm{827}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 30447083520

約数和(自身を除く): 10302550265

約数列:

[1, 5, 7, 11, 35, 55, 77, 151, 385, 419, 755, 827, 1057, 1661, 2095, 2933, 4135, 4609, 5285, 5789, 8305, 9097, 11627, 14665, 23045, 28945, 32263, 45485, 58135, 63269, 63679, 124877, 161315, 316345, 318395, 346513, 442883, 624385, 695959, 874139, 1373647, 1732565, 2214415, 2425591, 3479795, 3811643, 4370695, 4871713, 6868235, 9615529, 12127955, 19058215, 24358565, 26681501, 48077645, 52323463, 133407505, 261617315, 366264241, 575558093, 1831321205, 2877790465, 4028906651, 20144533255]

約数ペア:

[(1, 20144533255), (5, 4028906651), (7, 2877790465), (11, 1831321205), (35, 575558093), (55, 366264241), (77, 261617315), (151, 133407505), (385, 52323463), (419, 48077645), (755, 26681501), (827, 24358565), (1057, 19058215), (1661, 12127955), (2095, 9615529), (2933, 6868235), (4135, 4871713), (4609, 4370695), (5285, 3811643), (5789, 3479795), (8305, 2425591), (9097, 2214415), (11627, 1732565), (14665, 1373647), (23045, 874139), (28945, 695959), (32263, 624385), (45485, 442883), (58135, 346513), (63269, 318395), (63679, 316345), (124877, 161315)]