20097112760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1\times {\mathrm{12269}}^1$

素因数の和:13632

約数の個数: 64

約数和(自身を含む): 46716307200

約数和(自身を除く): 26619194440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1321, 2642, 5284, 6605, 10568, 12269, 13210, 24538, 26420, 40951, 49076, 52840, 61345, 81902, 98152, 122690, 163804, 204755, 245380, 327608, 380339, 409510, 490760, 760678, 819020, 1521356, 1638040, 1901695, 3042712, 3803390, 7606780, 15213560, 16207349, 32414698, 64829396, 81036745, 129658792, 162073490, 324146980, 502427819, 648293960, 1004855638, 2009711276, 2512139095, 4019422552, 5024278190, 10048556380, 20097112760]

約数ペア:

[(1, 20097112760), (2, 10048556380), (4, 5024278190), (5, 4019422552), (8, 2512139095), (10, 2009711276), (20, 1004855638), (31, 648293960), (40, 502427819), (62, 324146980), (124, 162073490), (155, 129658792), (248, 81036745), (310, 64829396), (620, 32414698), (1240, 16207349), (1321, 15213560), (2642, 7606780), (5284, 3803390), (6605, 3042712), (10568, 1901695), (12269, 1638040), (13210, 1521356), (24538, 819020), (26420, 760678), (40951, 490760), (49076, 409510), (52840, 380339), (61345, 327608), (81902, 245380), (98152, 204755), (122690, 163804)]