20408975994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{44809}}^1$

素因数の和:44995

約数の個数: 64

約数和(自身を含む): 45633070080

約数和(自身を除く): 25224094086

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 103, 134, 201, 206, 309, 402, 618, 737, 1133, 1474, 2211, 2266, 3399, 4422, 6798, 6901, 13802, 20703, 41406, 44809, 75911, 89618, 134427, 151822, 227733, 268854, 455466, 492899, 985798, 1478697, 2957394, 3002203, 4615327, 6004406, 9006609, 9230654, 13845981, 18013218, 27691962, 33024233, 50768597, 66048466, 99072699, 101537194, 152305791, 198145398, 304611582, 309226909, 618453818, 927680727, 1855361454, 3401495999, 6802991998, 10204487997, 20408975994]

約数ペア:

[(1, 20408975994), (2, 10204487997), (3, 6802991998), (6, 3401495999), (11, 1855361454), (22, 927680727), (33, 618453818), (66, 309226909), (67, 304611582), (103, 198145398), (134, 152305791), (201, 101537194), (206, 99072699), (309, 66048466), (402, 50768597), (618, 33024233), (737, 27691962), (1133, 18013218), (1474, 13845981), (2211, 9230654), (2266, 9006609), (3399, 6004406), (4422, 4615327), (6798, 3002203), (6901, 2957394), (13802, 1478697), (20703, 985798), (41406, 492899), (44809, 455466), (75911, 268854), (89618, 227733), (134427, 151822)]