20924946

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 32677614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 197, 281, 378, 394, 562, 591, 843, 1182, 1379, 1686, 1773, 1967, 2529, 2758, 3546, 3934, 4137, 5058, 5319, 5901, 7587, 8274, 10638, 11802, 12411, 15174, 17703, 24822, 35406, 37233, 53109, 55357, 74466, 106218, 110714, 166071, 332142, 387499, 498213, 774998, 996426, 1162497, 1494639, 2324994, 2989278, 3487491, 6974982, 10462473, 20924946]

約数ペア:

[(1, 20924946), (2, 10462473), (3, 6974982), (6, 3487491), (7, 2989278), (9, 2324994), (14, 1494639), (18, 1162497), (21, 996426), (27, 774998), (42, 498213), (54, 387499), (63, 332142), (126, 166071), (189, 110714), (197, 106218), (281, 74466), (378, 55357), (394, 53109), (562, 37233), (591, 35406), (843, 24822), (1182, 17703), (1379, 15174), (1686, 12411), (1773, 11802), (1967, 10638), (2529, 8274), (2758, 7587), (3546, 5901), (3934, 5319), (4137, 5058)]