20293350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 64120896

約数和(自身を除く): 43827546

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 49, 50, 55, 66, 70, 75, 77, 98, 105, 110, 147, 150, 154, 165, 175, 210, 231, 245, 251, 275, 294, 330, 350, 385, 462, 490, 502, 525, 539, 550, 735, 753, 770, 825, 1050, 1078, 1155, 1225, 1255, 1470, 1506, 1617, 1650, 1757, 1925, 2310, 2450, 2510, 2695, 2761, 3234, 3514, 3675, 3765, 3850, 5271, 5390, 5522, 5775, 6275, 7350, 7530, 8085, 8283, 8785, 10542, 11550, 12299, 12550, 13475, 13805, 16170, 16566, 17570, 18825, 19327, 24598, 26355, 26950, 27610, 36897, 37650, 38654, 40425, 41415, 43925, 52710, 57981, 61495, 69025, 73794, 80850, 82830, 87850, 96635, 115962, 122990, 131775, 135289, 138050, 184485, 193270, 207075, 263550, 270578, 289905, 307475, 368970, 405867, 414150, 483175, 579810, 614950, 676445, 811734, 922425, 966350, 1352890, 1449525, 1844850, 2029335, 2899050, 3382225, 4058670, 6764450, 10146675, 20293350]

約数ペア:

[(1, 20293350), (2, 10146675), (3, 6764450), (5, 4058670), (6, 3382225), (7, 2899050), (10, 2029335), (11, 1844850), (14, 1449525), (15, 1352890), (21, 966350), (22, 922425), (25, 811734), (30, 676445), (33, 614950), (35, 579810), (42, 483175), (49, 414150), (50, 405867), (55, 368970), (66, 307475), (70, 289905), (75, 270578), (77, 263550), (98, 207075), (105, 193270), (110, 184485), (147, 138050), (150, 135289), (154, 131775), (165, 122990), (175, 115962), (210, 96635), (231, 87850), (245, 82830), (251, 80850), (275, 73794), (294, 69025), (330, 61495), (350, 57981), (385, 52710), (462, 43925), (490, 41415), (502, 40425), (525, 38654), (539, 37650), (550, 36897), (735, 27610), (753, 26950), (770, 26355), (825, 24598), (1050, 19327), (1078, 18825), (1155, 17570), (1225, 16566), (1255, 16170), (1470, 13805), (1506, 13475), (1617, 12550), (1650, 12299), (1757, 11550), (1925, 10542), (2310, 8785), (2450, 8283), (2510, 8085), (2695, 7530), (2761, 7350), (3234, 6275), (3514, 5775), (3675, 5522), (3765, 5390), (3850, 5271)]