20105580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 42890388

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 743, 820, 902, 1230, 1353, 1486, 1804, 2229, 2255, 2460, 2706, 2972, 3715, 4458, 4510, 5412, 6765, 7430, 8173, 8916, 9020, 11145, 13530, 14860, 16346, 22290, 24519, 27060, 30463, 32692, 40865, 44580, 49038, 60926, 81730, 91389, 98076, 121852, 122595, 152315, 163460, 182778, 245190, 304630, 335093, 365556, 456945, 490380, 609260, 670186, 913890, 1005279, 1340372, 1675465, 1827780, 2010558, 3350930, 4021116, 5026395, 6701860, 10052790, 20105580]

約数ペア:

[(1, 20105580), (2, 10052790), (3, 6701860), (4, 5026395), (5, 4021116), (6, 3350930), (10, 2010558), (11, 1827780), (12, 1675465), (15, 1340372), (20, 1005279), (22, 913890), (30, 670186), (33, 609260), (41, 490380), (44, 456945), (55, 365556), (60, 335093), (66, 304630), (82, 245190), (110, 182778), (123, 163460), (132, 152315), (164, 122595), (165, 121852), (205, 98076), (220, 91389), (246, 81730), (330, 60926), (410, 49038), (451, 44580), (492, 40865), (615, 32692), (660, 30463), (743, 27060), (820, 24519), (902, 22290), (1230, 16346), (1353, 14860), (1486, 13530), (1804, 11145), (2229, 9020), (2255, 8916), (2460, 8173), (2706, 7430), (2972, 6765), (3715, 5412), (4458, 4510)]