20166045879

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 33036871680

約数和(自身を除く): 12870825801

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 113, 217, 239, 259, 339, 651, 717, 777, 791, 961, 1147, 1673, 2373, 2883, 3441, 3503, 4181, 5019, 6727, 7409, 8029, 8843, 10509, 12543, 20181, 22227, 24087, 24521, 26529, 27007, 29267, 35557, 51863, 61901, 73563, 81021, 87801, 106671, 108593, 129611, 155589, 185703, 189049, 229679, 248899, 274133, 325779, 388833, 567147, 689037, 746697, 760151, 822399, 837217, 907277, 999259, 1607753, 1918931, 2280453, 2511651, 2721831, 2997777, 4017941, 4823259, 5756793, 5860519, 6994813, 8498123, 12053823, 17581557, 20984439, 25494369, 25953727, 28125587, 30977029, 59486861, 77861181, 84376761, 92931087, 178460583, 181676089, 216839203, 545028267, 650517609, 960287899, 2880863697, 6722015293, 20166045879]

約数ペア:

[(1, 20166045879), (3, 6722015293), (7, 2880863697), (21, 960287899), (31, 650517609), (37, 545028267), (93, 216839203), (111, 181676089), (113, 178460583), (217, 92931087), (239, 84376761), (259, 77861181), (339, 59486861), (651, 30977029), (717, 28125587), (777, 25953727), (791, 25494369), (961, 20984439), (1147, 17581557), (1673, 12053823), (2373, 8498123), (2883, 6994813), (3441, 5860519), (3503, 5756793), (4181, 4823259), (5019, 4017941), (6727, 2997777), (7409, 2721831), (8029, 2511651), (8843, 2280453), (10509, 1918931), (12543, 1607753), (20181, 999259), (22227, 907277), (24087, 837217), (24521, 822399), (26529, 760151), (27007, 746697), (29267, 689037), (35557, 567147), (51863, 388833), (61901, 325779), (73563, 274133), (81021, 248899), (87801, 229679), (106671, 189049), (108593, 185703), (129611, 155589)]