20154722776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1\times {\mathrm{1381}}^1$

素因数の和:2092

約数の個数: 64

約数和(自身を含む): 40299120000

約数和(自身を除く): 20144397224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 449, 478, 898, 956, 1381, 1796, 1912, 2762, 3592, 4063, 5524, 7633, 8126, 11048, 15266, 16252, 23477, 30532, 32504, 46954, 61064, 93908, 107311, 187816, 214622, 330059, 429244, 620069, 660118, 858488, 1240138, 1320236, 1824287, 2480276, 2640472, 3648574, 4960552, 5611003, 7297148, 10541173, 11222006, 14594296, 21082346, 22444012, 42164692, 44888024, 84329384, 148196491, 296392982, 592785964, 1185571928, 2519340347, 5038680694, 10077361388, 20154722776]

約数ペア:

[(1, 20154722776), (2, 10077361388), (4, 5038680694), (8, 2519340347), (17, 1185571928), (34, 592785964), (68, 296392982), (136, 148196491), (239, 84329384), (449, 44888024), (478, 42164692), (898, 22444012), (956, 21082346), (1381, 14594296), (1796, 11222006), (1912, 10541173), (2762, 7297148), (3592, 5611003), (4063, 4960552), (5524, 3648574), (7633, 2640472), (8126, 2480276), (11048, 1824287), (15266, 1320236), (16252, 1240138), (23477, 858488), (30532, 660118), (32504, 620069), (46954, 429244), (61064, 330059), (93908, 214622), (107311, 187816)]