20421936

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1211

約数の個数: 80

約数和(自身を含む): 60100320

約数和(自身を除く): 39678384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1153, 1476, 1968, 2214, 2306, 2952, 3459, 4428, 4612, 5904, 6918, 8856, 9224, 10377, 13836, 17712, 18448, 20754, 27672, 31131, 41508, 47273, 55344, 62262, 83016, 94546, 124524, 141819, 166032, 189092, 249048, 283638, 378184, 425457, 498096, 567276, 756368, 850914, 1134552, 1276371, 1701828, 2269104, 2552742, 3403656, 5105484, 6807312, 10210968, 20421936]

約数ペア:

[(1, 20421936), (2, 10210968), (3, 6807312), (4, 5105484), (6, 3403656), (8, 2552742), (9, 2269104), (12, 1701828), (16, 1276371), (18, 1134552), (24, 850914), (27, 756368), (36, 567276), (41, 498096), (48, 425457), (54, 378184), (72, 283638), (82, 249048), (108, 189092), (123, 166032), (144, 141819), (164, 124524), (216, 94546), (246, 83016), (328, 62262), (369, 55344), (432, 47273), (492, 41508), (656, 31131), (738, 27672), (984, 20754), (1107, 18448), (1153, 17712), (1476, 13836), (1968, 10377), (2214, 9224), (2306, 8856), (2952, 6918), (3459, 5904), (4428, 4612)]