20744306210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1\times {\mathrm{1553}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 39630729600

約数和(自身を除く): 18886423390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 307, 458, 614, 1145, 1535, 1553, 2290, 3070, 3106, 4351, 5833, 7765, 8702, 11666, 15530, 21755, 29165, 29507, 43510, 58330, 59014, 70303, 140606, 147535, 295070, 351515, 355637, 476771, 703030, 711274, 953542, 1335757, 1778185, 2383855, 2671514, 3556370, 4767710, 6678785, 6757103, 9058649, 13357570, 13514206, 18117298, 33785515, 45293245, 67571030, 90586490, 109180559, 218361118, 545902795, 1091805590, 2074430621, 4148861242, 10372153105, 20744306210]

約数ペア:

[(1, 20744306210), (2, 10372153105), (5, 4148861242), (10, 2074430621), (19, 1091805590), (38, 545902795), (95, 218361118), (190, 109180559), (229, 90586490), (307, 67571030), (458, 45293245), (614, 33785515), (1145, 18117298), (1535, 13514206), (1553, 13357570), (2290, 9058649), (3070, 6757103), (3106, 6678785), (4351, 4767710), (5833, 3556370), (7765, 2671514), (8702, 2383855), (11666, 1778185), (15530, 1335757), (21755, 953542), (29165, 711274), (29507, 703030), (43510, 476771), (58330, 355637), (59014, 351515), (70303, 295070), (140606, 147535)]