20174827855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{32869}}^1$

素因数の和:32984

約数の個数: 64

約数和(自身を含む): 31807641600

約数和(自身を除く): 11632813745

約数列:

[1, 5, 7, 13, 19, 35, 65, 71, 91, 95, 133, 247, 355, 455, 497, 665, 923, 1235, 1349, 1729, 2485, 4615, 6461, 6745, 8645, 9443, 17537, 32305, 32869, 47215, 87685, 122759, 164345, 230083, 427297, 613795, 624511, 1150415, 2136485, 2333699, 2991079, 3122555, 4371577, 8118643, 11668495, 14955395, 16335893, 21857885, 30338087, 40593215, 44340281, 56830501, 81679465, 151690435, 212366609, 221701405, 284152505, 310381967, 576423653, 1061833045, 1551909835, 2882118265, 4034965571, 20174827855]

約数ペア:

[(1, 20174827855), (5, 4034965571), (7, 2882118265), (13, 1551909835), (19, 1061833045), (35, 576423653), (65, 310381967), (71, 284152505), (91, 221701405), (95, 212366609), (133, 151690435), (247, 81679465), (355, 56830501), (455, 44340281), (497, 40593215), (665, 30338087), (923, 21857885), (1235, 16335893), (1349, 14955395), (1729, 11668495), (2485, 8118643), (4615, 4371577), (6461, 3122555), (6745, 2991079), (8645, 2333699), (9443, 2136485), (17537, 1150415), (32305, 624511), (32869, 613795), (47215, 427297), (87685, 230083), (122759, 164345)]