20299258

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19073222

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 67, 119, 133, 134, 238, 266, 323, 469, 646, 938, 1139, 1273, 2261, 2278, 2546, 4489, 4522, 7973, 8911, 8978, 15946, 17822, 21641, 31423, 43282, 62846, 76313, 85291, 151487, 152626, 170582, 302974, 534191, 597037, 1068382, 1194074, 1449947, 2899894, 10149629, 20299258]

約数ペア:

[(1, 20299258), (2, 10149629), (7, 2899894), (14, 1449947), (17, 1194074), (19, 1068382), (34, 597037), (38, 534191), (67, 302974), (119, 170582), (133, 152626), (134, 151487), (238, 85291), (266, 76313), (323, 62846), (469, 43282), (646, 31423), (938, 21641), (1139, 17822), (1273, 15946), (2261, 8978), (2278, 8911), (2546, 7973), (4489, 4522)]