20162968315

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 28729209600

約数和(自身を除く): 8566241285

約数列:

[1, 5, 7, 35, 41, 149, 181, 205, 287, 521, 745, 905, 1043, 1267, 1435, 2605, 3647, 5215, 6109, 6335, 7421, 18235, 21361, 26969, 30545, 37105, 42763, 51947, 77629, 94301, 106805, 134845, 149527, 188783, 213815, 259735, 388145, 471505, 543403, 660107, 747635, 943915, 1105729, 2717015, 3182789, 3300535, 3866341, 5528645, 7740103, 14050849, 15913945, 19331705, 22279523, 27064387, 38700515, 70254245, 98355943, 111397615, 135321935, 491779715, 576084809, 2880424045, 4032593663, 20162968315]

約数ペア:

[(1, 20162968315), (5, 4032593663), (7, 2880424045), (35, 576084809), (41, 491779715), (149, 135321935), (181, 111397615), (205, 98355943), (287, 70254245), (521, 38700515), (745, 27064387), (905, 22279523), (1043, 19331705), (1267, 15913945), (1435, 14050849), (2605, 7740103), (3647, 5528645), (5215, 3866341), (6109, 3300535), (6335, 3182789), (7421, 2717015), (18235, 1105729), (21361, 943915), (26969, 747635), (30545, 660107), (37105, 543403), (42763, 471505), (51947, 388145), (77629, 259735), (94301, 213815), (106805, 188783), (134845, 149527)]