20217230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 42425856

約数和(自身を除く): 22208626

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 61, 110, 115, 122, 131, 230, 253, 262, 305, 506, 610, 655, 671, 1265, 1310, 1342, 1403, 1441, 2530, 2806, 2882, 3013, 3355, 6026, 6710, 7015, 7205, 7991, 14030, 14410, 15065, 15433, 15982, 30130, 30866, 33143, 39955, 66286, 77165, 79910, 87901, 154330, 165715, 175802, 183793, 331430, 367586, 439505, 879010, 918965, 1837930, 2021723, 4043446, 10108615, 20217230]

約数ペア:

[(1, 20217230), (2, 10108615), (5, 4043446), (10, 2021723), (11, 1837930), (22, 918965), (23, 879010), (46, 439505), (55, 367586), (61, 331430), (110, 183793), (115, 175802), (122, 165715), (131, 154330), (230, 87901), (253, 79910), (262, 77165), (305, 66286), (506, 39955), (610, 33143), (655, 30866), (671, 30130), (1265, 15982), (1310, 15433), (1342, 15065), (1403, 14410), (1441, 14030), (2530, 7991), (2806, 7205), (2882, 7015), (3013, 6710), (3355, 6026)]