20242684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 46252080

約数和(自身を除く): 26009396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 154, 164, 196, 229, 287, 308, 451, 458, 539, 574, 902, 916, 1078, 1148, 1603, 1804, 2009, 2156, 2519, 3157, 3206, 4018, 5038, 6314, 6412, 8036, 9389, 10076, 11221, 12628, 17633, 18778, 22099, 22442, 35266, 37556, 44198, 44884, 65723, 70532, 88396, 103279, 123431, 131446, 206558, 246862, 262892, 413116, 460061, 493724, 722953, 920122, 1445906, 1840244, 2891812, 5060671, 10121342, 20242684]

約数ペア:

[(1, 20242684), (2, 10121342), (4, 5060671), (7, 2891812), (11, 1840244), (14, 1445906), (22, 920122), (28, 722953), (41, 493724), (44, 460061), (49, 413116), (77, 262892), (82, 246862), (98, 206558), (154, 131446), (164, 123431), (196, 103279), (229, 88396), (287, 70532), (308, 65723), (451, 44884), (458, 44198), (539, 37556), (574, 35266), (902, 22442), (916, 22099), (1078, 18778), (1148, 17633), (1603, 12628), (1804, 11221), (2009, 10076), (2156, 9389), (2519, 8036), (3157, 6412), (3206, 6314), (4018, 5038)]