20645514

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 51554880

約数和(自身を除く): 30909366

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 53, 57, 67, 102, 106, 114, 134, 153, 159, 171, 201, 306, 318, 323, 342, 402, 477, 603, 646, 901, 954, 969, 1007, 1139, 1206, 1273, 1802, 1938, 2014, 2278, 2546, 2703, 2907, 3021, 3417, 3551, 3819, 5406, 5814, 6042, 6834, 7102, 7638, 8109, 9063, 10251, 10653, 11457, 16218, 17119, 18126, 20502, 21306, 21641, 22914, 31959, 34238, 43282, 51357, 60367, 63918, 64923, 67469, 102714, 120734, 129846, 134938, 154071, 181101, 194769, 202407, 308142, 362202, 389538, 404814, 543303, 607221, 1086606, 1146973, 1214442, 2293946, 3440919, 6881838, 10322757, 20645514]

約数ペア:

[(1, 20645514), (2, 10322757), (3, 6881838), (6, 3440919), (9, 2293946), (17, 1214442), (18, 1146973), (19, 1086606), (34, 607221), (38, 543303), (51, 404814), (53, 389538), (57, 362202), (67, 308142), (102, 202407), (106, 194769), (114, 181101), (134, 154071), (153, 134938), (159, 129846), (171, 120734), (201, 102714), (306, 67469), (318, 64923), (323, 63918), (342, 60367), (402, 51357), (477, 43282), (603, 34238), (646, 31959), (901, 22914), (954, 21641), (969, 21306), (1007, 20502), (1139, 18126), (1206, 17119), (1273, 16218), (1802, 11457), (1938, 10653), (2014, 10251), (2278, 9063), (2546, 8109), (2703, 7638), (2907, 7102), (3021, 6834), (3417, 6042), (3551, 5814), (3819, 5406)]