20806923915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{5903}}^1$

素因数の和:6053

約数の個数: 96

約数和(自身を含む): 38848792320

約数和(自身を除く): 18041868405

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 73, 87, 111, 145, 185, 219, 261, 333, 365, 435, 555, 657, 1073, 1095, 1305, 1665, 2117, 2701, 3219, 3285, 5365, 5903, 6351, 8103, 9657, 10585, 13505, 16095, 17709, 19053, 24309, 29515, 31755, 40515, 48285, 53127, 78329, 88545, 95265, 121545, 171187, 218411, 234987, 265635, 391645, 430919, 513561, 655233, 704961, 855935, 1092055, 1174935, 1292757, 1540683, 1965699, 2154595, 2567805, 3276165, 3524805, 3878271, 6333919, 6463785, 7703415, 9828495, 12496651, 15944003, 19001757, 19391355, 31669595, 37489953, 47832009, 57005271, 62483255, 79720015, 95008785, 112469859, 143496027, 187449765, 239160045, 285026355, 462376087, 562349295, 717480135, 1387128261, 2311880435, 4161384783, 6935641305, 20806923915]

約数ペア:

[(1, 20806923915), (3, 6935641305), (5, 4161384783), (9, 2311880435), (15, 1387128261), (29, 717480135), (37, 562349295), (45, 462376087), (73, 285026355), (87, 239160045), (111, 187449765), (145, 143496027), (185, 112469859), (219, 95008785), (261, 79720015), (333, 62483255), (365, 57005271), (435, 47832009), (555, 37489953), (657, 31669595), (1073, 19391355), (1095, 19001757), (1305, 15944003), (1665, 12496651), (2117, 9828495), (2701, 7703415), (3219, 6463785), (3285, 6333919), (5365, 3878271), (5903, 3524805), (6351, 3276165), (8103, 2567805), (9657, 2154595), (10585, 1965699), (13505, 1540683), (16095, 1292757), (17709, 1174935), (19053, 1092055), (24309, 855935), (29515, 704961), (31755, 655233), (40515, 513561), (48285, 430919), (53127, 391645), (78329, 265635), (88545, 234987), (95265, 218411), (121545, 171187)]