20543922

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37516878

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 27, 34, 42, 46, 51, 54, 63, 69, 102, 119, 126, 138, 139, 153, 161, 189, 207, 238, 278, 306, 322, 357, 378, 391, 414, 417, 459, 483, 621, 714, 782, 834, 918, 966, 973, 1071, 1173, 1242, 1251, 1449, 1946, 2142, 2346, 2363, 2502, 2737, 2898, 2919, 3197, 3213, 3519, 3753, 4347, 4726, 5474, 5838, 6394, 6426, 7038, 7089, 7506, 8211, 8694, 8757, 9591, 10557, 14178, 16422, 16541, 17514, 19182, 21114, 21267, 22379, 24633, 26271, 28773, 33082, 42534, 44758, 49266, 49623, 52542, 54349, 57546, 63801, 67137, 73899, 86319, 99246, 108698, 127602, 134274, 147798, 148869, 163047, 172638, 201411, 297738, 326094, 380443, 402822, 446607, 489141, 604233, 760886, 893214, 978282, 1141329, 1208466, 1467423, 2282658, 2934846, 3423987, 6847974, 10271961, 20543922]

約数ペア:

[(1, 20543922), (2, 10271961), (3, 6847974), (6, 3423987), (7, 2934846), (9, 2282658), (14, 1467423), (17, 1208466), (18, 1141329), (21, 978282), (23, 893214), (27, 760886), (34, 604233), (42, 489141), (46, 446607), (51, 402822), (54, 380443), (63, 326094), (69, 297738), (102, 201411), (119, 172638), (126, 163047), (138, 148869), (139, 147798), (153, 134274), (161, 127602), (189, 108698), (207, 99246), (238, 86319), (278, 73899), (306, 67137), (322, 63801), (357, 57546), (378, 54349), (391, 52542), (414, 49623), (417, 49266), (459, 44758), (483, 42534), (621, 33082), (714, 28773), (782, 26271), (834, 24633), (918, 22379), (966, 21267), (973, 21114), (1071, 19182), (1173, 17514), (1242, 16541), (1251, 16422), (1449, 14178), (1946, 10557), (2142, 9591), (2346, 8757), (2363, 8694), (2502, 8211), (2737, 7506), (2898, 7089), (2919, 7038), (3197, 6426), (3213, 6394), (3519, 5838), (3753, 5474), (4347, 4726)]