20003733148

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{5147}}^1$

素因数の和:5495

約数の個数: 72

約数和(自身を含む): 41409688320

約数和(自身を除く): 21405955172

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 251, 316, 502, 553, 1004, 1106, 1757, 2212, 3514, 3871, 5147, 7028, 7742, 10294, 12299, 15484, 19829, 20588, 24598, 36029, 39658, 49196, 72058, 79316, 138803, 144116, 252203, 277606, 406613, 504406, 555212, 813226, 971621, 1008812, 1291897, 1626452, 1943242, 2583794, 2846291, 3886484, 5167588, 5692582, 9043279, 11385164, 18086558, 19924037, 36173116, 39848074, 63302953, 79696148, 102059863, 126605906, 204119726, 253211812, 408239452, 714419041, 1428838082, 2857676164, 5000933287, 10001866574, 20003733148]

約数ペア:

[(1, 20003733148), (2, 10001866574), (4, 5000933287), (7, 2857676164), (14, 1428838082), (28, 714419041), (49, 408239452), (79, 253211812), (98, 204119726), (158, 126605906), (196, 102059863), (251, 79696148), (316, 63302953), (502, 39848074), (553, 36173116), (1004, 19924037), (1106, 18086558), (1757, 11385164), (2212, 9043279), (3514, 5692582), (3871, 5167588), (5147, 3886484), (7028, 2846291), (7742, 2583794), (10294, 1943242), (12299, 1626452), (15484, 1291897), (19829, 1008812), (20588, 971621), (24598, 813226), (36029, 555212), (39658, 504406), (49196, 406613), (72058, 277606), (79316, 252203), (138803, 144116)]