20675298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31579422

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 69, 102, 119, 138, 161, 238, 322, 357, 391, 483, 714, 782, 966, 1173, 1259, 2346, 2518, 2737, 3777, 5474, 7554, 8211, 8813, 16422, 17626, 21403, 26439, 28957, 42806, 52878, 57914, 64209, 86871, 128418, 149821, 173742, 202699, 299642, 405398, 449463, 492269, 608097, 898926, 984538, 1216194, 1476807, 2953614, 3445883, 6891766, 10337649, 20675298]

約数ペア:

[(1, 20675298), (2, 10337649), (3, 6891766), (6, 3445883), (7, 2953614), (14, 1476807), (17, 1216194), (21, 984538), (23, 898926), (34, 608097), (42, 492269), (46, 449463), (51, 405398), (69, 299642), (102, 202699), (119, 173742), (138, 149821), (161, 128418), (238, 86871), (322, 64209), (357, 57914), (391, 52878), (483, 42806), (714, 28957), (782, 26439), (966, 21403), (1173, 17626), (1259, 16422), (2346, 8813), (2518, 8211), (2737, 7554), (3777, 5474)]