20332690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 44499456

約数和(自身を除く): 24166766

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 73, 115, 146, 161, 173, 230, 322, 346, 365, 511, 730, 805, 865, 1022, 1211, 1610, 1679, 1730, 2422, 2555, 3358, 3979, 5110, 6055, 7958, 8395, 11753, 12110, 12629, 16790, 19895, 23506, 25258, 27853, 39790, 55706, 58765, 63145, 88403, 117530, 126290, 139265, 176806, 278530, 290467, 442015, 580934, 884030, 1452335, 2033269, 2904670, 4066538, 10166345, 20332690]

約数ペア:

[(1, 20332690), (2, 10166345), (5, 4066538), (7, 2904670), (10, 2033269), (14, 1452335), (23, 884030), (35, 580934), (46, 442015), (70, 290467), (73, 278530), (115, 176806), (146, 139265), (161, 126290), (173, 117530), (230, 88403), (322, 63145), (346, 58765), (365, 55706), (511, 39790), (730, 27853), (805, 25258), (865, 23506), (1022, 19895), (1211, 16790), (1610, 12629), (1679, 12110), (1730, 11753), (2422, 8395), (2555, 7958), (3358, 6055), (3979, 5110)]