20574918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37485882

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 53, 54, 63, 78, 79, 91, 106, 117, 126, 158, 159, 182, 189, 234, 237, 273, 318, 351, 371, 378, 474, 477, 546, 553, 689, 702, 711, 742, 819, 954, 1027, 1106, 1113, 1378, 1422, 1431, 1638, 1659, 2054, 2067, 2133, 2226, 2457, 2862, 3081, 3318, 3339, 4134, 4187, 4266, 4823, 4914, 4977, 6162, 6201, 6678, 7189, 8374, 9243, 9646, 9954, 10017, 12402, 12561, 14378, 14469, 14931, 18486, 18603, 20034, 21567, 25122, 27729, 28938, 29309, 29862, 37206, 37683, 43134, 43407, 54431, 55458, 58618, 64701, 75366, 86814, 87927, 108862, 113049, 129402, 130221, 163293, 175854, 194103, 226098, 260442, 263781, 326586, 381017, 388206, 489879, 527562, 762034, 791343, 979758, 1143051, 1469637, 1582686, 2286102, 2939274, 3429153, 6858306, 10287459, 20574918]

約数ペア:

[(1, 20574918), (2, 10287459), (3, 6858306), (6, 3429153), (7, 2939274), (9, 2286102), (13, 1582686), (14, 1469637), (18, 1143051), (21, 979758), (26, 791343), (27, 762034), (39, 527562), (42, 489879), (53, 388206), (54, 381017), (63, 326586), (78, 263781), (79, 260442), (91, 226098), (106, 194103), (117, 175854), (126, 163293), (158, 130221), (159, 129402), (182, 113049), (189, 108862), (234, 87927), (237, 86814), (273, 75366), (318, 64701), (351, 58618), (371, 55458), (378, 54431), (474, 43407), (477, 43134), (546, 37683), (553, 37206), (689, 29862), (702, 29309), (711, 28938), (742, 27729), (819, 25122), (954, 21567), (1027, 20034), (1106, 18603), (1113, 18486), (1378, 14931), (1422, 14469), (1431, 14378), (1638, 12561), (1659, 12402), (2054, 10017), (2067, 9954), (2133, 9646), (2226, 9243), (2457, 8374), (2862, 7189), (3081, 6678), (3318, 6201), (3339, 6162), (4134, 4977), (4187, 4914), (4266, 4823)]